79017265940 has 24 divisors (see below), whose sum is σ = 166266172800. Its totient is φ = 31544065568.

The previous prime is 79017265931. The next prime is 79017265997. The reversal of 79017265940 is 4956271097.

It is a congruent number.

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, 3917240 + ... + 3937359.

It is an arithmetic number, because the mean of its divisors is an integer number (6927757200).

Almost surely, 2^79017265940 is an apocalyptic number.

It is an amenable number.

79017265940 is an abundant number, since it is smaller than the sum of its proper divisors (87248906860).

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

79017265940 is a wasteful number, since it uses less digits than its factorization.

79017265940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855111 (or 7855109 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 79017265940 in words is "seventy-nine billion, seventeen million, two hundred sixty-five thousand, nine hundred forty".