79664802 has 16 divisors (see below), whose sum is σ = 182091072. Its totient is φ = 22761360.

The previous prime is 79664789. The next prime is 79664833. The reversal of 79664802 is 20846697.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1896781 = 79664802 / (7 + 9 + 6 + 6 + 4 + 8 + 0 + 2).

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, 948349 + ... + 948432.

It is an arithmetic number, because the mean of its divisors is an integer number (11380692).

Almost surely, 2^79664802 is an apocalyptic number.

79664802 is an abundant number, since it is smaller than the sum of its proper divisors (102426270).

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

79664802 is a wasteful number, since it uses less digits than its factorization.

79664802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896793.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 79664802 is about 8925.5141028402. The cubic root of 79664802 is about 430.2842937001.

The spelling of 79664802 in words is "seventy-nine million, six hundred sixty-four thousand, eight hundred two".