79424816 has 40 divisors (see below), whose sum is σ = 164520720. Its totient is φ = 37013504.

The previous prime is 79424777. The next prime is 79424837. The reversal of 79424816 is 61842497.

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, 27740 + ... + 30468.

It is an arithmetic number, because the mean of its divisors is an integer number (4113018).

Almost surely, 2^79424816 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 79424816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82260360).

79424816 is an abundant number, since it is smaller than the sum of its proper divisors (85095904).

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

79424816 is a wasteful number, since it uses less digits than its factorization.

79424816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2855 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 79424816 is about 8912.0601434236. The cubic root of 79424816 is about 429.8517895559.

The spelling of 79424816 in words is "seventy-nine million, four hundred twenty-four thousand, eight hundred sixteen".