79625501816 has 32 divisors (see below), whose sum is σ = 180662905440. Its totient is φ = 32117849088.

The previous prime is 79625501807. The next prime is 79625501849. The reversal of 79625501816 is 61810552697.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 41819165 + ... + 41821068.

It is an arithmetic number, because the mean of its divisors is an integer number (5645715795).

Almost surely, 2^79625501816 is an apocalyptic number.

It is an amenable number.

79625501816 is an abundant number, since it is smaller than the sum of its proper divisors (101037403624).

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

79625501816 is a wasteful number, since it uses less digits than its factorization.

79625501816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83640263 (or 83640259 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 79625501816 in words is "seventy-nine billion, six hundred twenty-five million, five hundred one thousand, eight hundred sixteen".