78599990180 has 24 divisors (see below), whose sum is σ = 165535671168. Its totient is φ = 31349388128.

The previous prime is 78599990167. The next prime is 78599990197. The reversal of 78599990180 is 8109999587.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5655884 + ... + 5669763.

It is an arithmetic number, because the mean of its divisors is an integer number (6897319632).

Almost surely, 2^78599990180 is an apocalyptic number.

It is an amenable number.

78599990180 is an abundant number, since it is smaller than the sum of its proper divisors (86935680988).

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

78599990180 is a wasteful number, since it uses less digits than its factorization.

78599990180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11326003 (or 11326001 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 65.

The spelling of 78599990180 in words is "seventy-eight billion, five hundred ninety-nine million, nine hundred ninety thousand, one hundred eighty".