79398816 has 72 divisors (see below), whose sum is σ = 242464320. Its totient is φ = 22684032.

The previous prime is 79398797. The next prime is 79398817. The reversal of 79398816 is 61889397.

It is not an unprimeable number, because it can be changed into a prime (79398817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3736 + ... + 13143.

It is an arithmetic number, because the mean of its divisors is an integer number (3367560).

Almost surely, 2^79398816 is an apocalyptic number.

It is an amenable number.

79398816 is an abundant number, since it is smaller than the sum of its proper divisors (163065504).

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

79398816 is a wasteful number, since it uses less digits than its factorization.

79398816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16906 (or 16891 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The square root of 79398816 is about 8910.6013265099. The cubic root of 79398816 is about 429.8048799256.

The spelling of 79398816 in words is "seventy-nine million, three hundred ninety-eight thousand, eight hundred sixteen".