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Octogintaducentillion

A Octogintaducentillion (1 Octogintaducentillion) is 10 to the power of 843 (10^843). This is a tremendously astronomical number!

How many zeros in a Octogintaducentillion?

There are 843 zeros in a Octogintaducentillion.

What's before Octogintaducentillion?

A Novenseptuagintaducentillion is smaller than a Octogintaducentillion.

What's after Octogintaducentillion?

A Unoctogintaducentillion is larger than a Octogintaducentillion.

Octogintaducentillionaire

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

Is Octogintaducentillion the largest number?

Octogintaducentillion 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.

Octogintaducentillion written out

Octogintaducentillion 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


Big Numbers

This is just one of many really big numbers!

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