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Duononagintaducentillion

A Duononagintaducentillion (1 Duononagintaducentillion) is 10 to the power of 879 (10^879). This is a stupendously astronomical number!

How many zeros in a Duononagintaducentillion?

There are 879 zeros in a Duononagintaducentillion.

What's before Duononagintaducentillion?

A Unnonagintaducentillion is smaller than a Duononagintaducentillion.

What's after Duononagintaducentillion?

A Trenonagintaducentillion is larger than a Duononagintaducentillion.

Duononagintaducentillionaire

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

Is Duononagintaducentillion the largest number?

Duononagintaducentillion 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.

Duononagintaducentillion written out

Duononagintaducentillion is written out as:

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


Big Numbers

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