80721044710770 has 64 divisors (see below), whose sum is σ = 193887186433920. Its totient is φ = 21508209216000.

The previous prime is 80721044710751. The next prime is 80721044710783. The reversal of 80721044710770 is 7701744012708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215338405 + ... + 215712935.

It is an arithmetic number, because the mean of its divisors is an integer number (3029487288030).

Almost surely, 2^{80721044710770} is an apocalyptic number.

80721044710770 is an abundant number, since it is smaller than the sum of its proper divisors (113166141723150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80721044710770 is a wasteful number, since it uses less digits than its factorization.

80721044710770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380331.

The product of its (nonzero) digits is 614656, while the sum is 48.

The spelling of 80721044710770 in words is "eighty trillion, seven hundred twenty-one billion, forty-four million, seven hundred ten thousand, seven hundred seventy".