79372844520 has 256 divisors, whose sum is σ = 256662120960. Its totient is φ = 19589087232.

The previous prime is 79372844513. The next prime is 79372844539. The reversal of 79372844520 is 2544827397.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10674724 + ... + 10682156.

It is an arithmetic number, because the mean of its divisors is an integer number (1002586410).

Almost surely, 2^79372844520 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 79372844520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128331060480).

79372844520 is an abundant number, since it is smaller than the sum of its proper divisors (177289276440).

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

79372844520 is a wasteful number, since it uses less digits than its factorization.

79372844520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596 (or 7592 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 79372844520 in words is "seventy-nine billion, three hundred seventy-two million, eight hundred forty-four thousand, five hundred twenty".