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Duooctogintaducentillion

A Duooctogintaducentillion (1 Duooctogintaducentillion) is 10 to the power of 849 (10^849). This is a stupendously astronomical number!

How many zeros in a Duooctogintaducentillion?

There are 849 zeros in a Duooctogintaducentillion.

What's before Duooctogintaducentillion?

A Unoctogintaducentillion is smaller than a Duooctogintaducentillion.

What's after Duooctogintaducentillion?

A Tresoctogintaducentillion is larger than a Duooctogintaducentillion.

Duooctogintaducentillionaire

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

Is Duooctogintaducentillion the largest number?

Duooctogintaducentillion 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.

Duooctogintaducentillion written out

Duooctogintaducentillion 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


Big Numbers

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