79716812 has 24 divisors (see below), whose sum is σ = 161683200. Its totient is φ = 33682320.

The previous prime is 79716809. The next prime is 79716829. The reversal of 79716812 is 21861797.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 79716812.

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, 18062 + ... + 22037.

It is an arithmetic number, because the mean of its divisors is an integer number (6736800).

Almost surely, 2^79716812 is an apocalyptic number.

It is an amenable number.

79716812 is an abundant number, since it is smaller than the sum of its proper divisors (81966388).

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

79716812 is a wasteful number, since it uses less digits than its factorization.

79716812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40181 (or 40179 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 79716812 is about 8928.4271851206. The cubic root of 79716812 is about 430.3779118652.

The spelling of 79716812 in words is "seventy-nine million, seven hundred sixteen thousand, eight hundred twelve".