80081593788 has 48 divisors (see below), whose sum is σ = 213599934464. Its totient is φ = 22875203520.

The previous prime is 80081593721. The next prime is 80081593829. The reversal of 80081593788 is 88739518008.

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, 266358 + ... + 480738.

Almost surely, 2^80081593788 is an apocalyptic number.

It is an amenable number.

80081593788 is an abundant number, since it is smaller than the sum of its proper divisors (133518340676).

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

80081593788 is a wasteful number, since it uses less digits than its factorization.

80081593788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218842 (or 218840 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 57.

The spelling of 80081593788 in words is "eighty billion, eighty-one million, five hundred ninety-three thousand, seven hundred eighty-eight".