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Septemoctogintaducentillion

A Septemoctogintaducentillion (1 Septemoctogintaducentillion) is 10 to the power of 864 (10^864). This is an excessively astronomical number!

How many zeros in a Septemoctogintaducentillion?

There are 864 zeros in a Septemoctogintaducentillion.

What's before Septemoctogintaducentillion?

A Sexoctogintaducentillion is smaller than a Septemoctogintaducentillion.

What's after Septemoctogintaducentillion?

A Octooctogintaducentillion is larger than a Septemoctogintaducentillion.

Septemoctogintaducentillionaire

A Septemoctogintaducentillionaire is someone whos assets, net worth or wealth is 1 or more Septemoctogintaducentillion. It is unlikely anyone will ever be a true Septemoctogintaducentillionaire. If you want to be a Septemoctogintaducentillionaire, play Tap Tales!

Is Septemoctogintaducentillion the largest number?

Septemoctogintaducentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

Septemoctogintaducentillion written out

Septemoctogintaducentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000


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