79140868224 has 256 divisors, whose sum is σ = 237945600000. Its totient is φ = 23085977600.

The previous prime is 79140868151. The next prime is 79140868241. The reversal of 79140868224 is 42286804197.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52795027 + ... + 52796525.

It is an arithmetic number, because the mean of its divisors is an integer number (929475000).

Almost surely, 2^79140868224 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 79140868224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118972800000).

79140868224 is an abundant number, since it is smaller than the sum of its proper divisors (158804731776).

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

79140868224 is a wasteful number, since it uses less digits than its factorization.

79140868224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 79140868224 in words is "seventy-nine billion, one hundred forty million, eight hundred sixty-eight thousand, two hundred twenty-four".