79804816 has 80 divisors (see below), whose sum is σ = 193737600. Its totient is φ = 31002624.

The previous prime is 79804799. The next prime is 79804831. The reversal of 79804816 is 61840897.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85440 + ... + 86368.

It is an arithmetic number, because the mean of its divisors is an integer number (2421720).

Almost surely, 2^79804816 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 79804816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96868800).

79804816 is an abundant number, since it is smaller than the sum of its proper divisors (113932784).

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

79804816 is a wasteful number, since it uses less digits than its factorization.

79804816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 79804816 is about 8933.3541293290. The cubic root of 79804816 is about 430.5362266459.

The spelling of 79804816 in words is "seventy-nine million, eight hundred four thousand, eight hundred sixteen".