79476872 has 16 divisors (see below), whose sum is σ = 149116560. Its totient is φ = 39712464.

The previous prime is 79476863. The next prime is 79476877. The reversal of 79476872 is 27867497.

It is a self number, because there is not a number n which added to its sum of digits gives 79476872.

It is not an unprimeable number, because it can be changed into a prime (79476877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17723 + ... + 21749.

It is an arithmetic number, because the mean of its divisors is an integer number (9319785).

Almost surely, 2^79476872 is an apocalyptic number.

It is an amenable number.

79476872 is a deficient number, since it is larger than the sum of its proper divisors (69639688).

79476872 is a wasteful number, since it uses less digits than its factorization.

79476872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500 (or 6496 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The square root of 79476872 is about 8914.9802018849. The cubic root of 79476872 is about 429.9456790944.

The spelling of 79476872 in words is "seventy-nine million, four hundred seventy-six thousand, eight hundred seventy-two".