79311800056580 has 72 divisors (see below), whose sum is σ = 208651043259288. Its totient is φ = 25100877376512.

The previous prime is 79311800056553. The next prime is 79311800056609. The reversal of 79311800056580 is 8565000811397.

It can be written as a sum of positive squares in 4 ways, for example, as 17921472357376 + 61390327699204 = 4233376^2 + 7835198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3112695269 + ... + 3112720748.

It is an arithmetic number, because the mean of its divisors is an integer number (2897931156379).

Almost surely, 2^{79311800056580} is an apocalyptic number.

79311800056580 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79311800056580 is an abundant number, since it is smaller than the sum of its proper divisors (129339243202708).

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

79311800056580 is a wasteful number, since it uses less digits than its factorization.

79311800056580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225416053 (or 6225416044 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 79311800056580 in words is "seventy-nine trillion, three hundred eleven billion, eight hundred million, fifty-six thousand, five hundred eighty".