79558912 has 72 divisors (see below), whose sum is σ = 170751672. Its totient is φ = 36864000.

The previous prime is 79558907. The next prime is 79558933. The reversal of 79558912 is 21985597.

It can be written as a sum of positive squares in 4 ways, for example, as 17842176 + 61716736 = 4224^2 + 7856^2 .

Its product of digits (226800) is a multiple of the sum of its prime factors (315).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439462 + ... + 439642.

It is an arithmetic number, because the mean of its divisors is an integer number (2371551).

Almost surely, 2^79558912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79558912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85375836).

79558912 is an abundant number, since it is smaller than the sum of its proper divisors (91192760).

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

79558912 is a wasteful number, since it uses less digits than its factorization.

79558912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 301 counting only the distinct ones).

The product of its digits is 226800, while the sum is 46.

The square root of 79558912 is about 8919.5802591826. The cubic root of 79558912 is about 430.0935653613.

The spelling of 79558912 in words is "seventy-nine million, five hundred fifty-eight thousand, nine hundred twelve".