80737757790 has 32 divisors (see below), whose sum is σ = 205168891680. Its totient is φ = 20263593984.

The previous prime is 80737757783. The next prime is 80737757803. The reversal of 80737757790 is 9775773708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79154155 + ... + 79155174.

It is an arithmetic number, because the mean of its divisors is an integer number (6411527865).

Almost surely, 2^80737757790 is an apocalyptic number.

80737757790 is an abundant number, since it is smaller than the sum of its proper divisors (124431133890).

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

80737757790 is a wasteful number, since it uses less digits than its factorization.

80737757790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158309356.

The product of its (nonzero) digits is 18151560, while the sum is 60.

The spelling of 80737757790 in words is "eighty billion, seven hundred thirty-seven million, seven hundred fifty-seven thousand, seven hundred ninety".