879397164 has 36 divisors (see below), whose sum is σ = 2223997776. Its totient is φ = 292990368.

The previous prime is 879397153. The next prime is 879397187. The reversal of 879397164 is 461793978.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 879397164.

It is an unprimeable number.

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, 91282 + ... + 100454.

It is an arithmetic number, because the mean of its divisors is an integer number (61777716).

Almost surely, 2^879397164 is an apocalyptic number.

It is an amenable number.

879397164 is an abundant number, since it is smaller than the sum of its proper divisors (1344600612).

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

879397164 is a wasteful number, since it uses less digits than its factorization.

879397164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11846 (or 11841 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 879397164 is about 29654.6314089385. The cubic root of 879397164 is about 958.0651001854.

The spelling of 879397164 in words is "eight hundred seventy-nine million, three hundred ninety-seven thousand, one hundred sixty-four".