879149992 has 16 divisors (see below), whose sum is σ = 1883892960. Its totient is φ = 376778544.

The previous prime is 879149989. The next prime is 879150001. The reversal of 879149992 is 299941978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7849498 + ... + 7849609.

It is an arithmetic number, because the mean of its divisors is an integer number (117743310).

Almost surely, 2^879149992 is an apocalyptic number.

It is an amenable number.

879149992 is an abundant number, since it is smaller than the sum of its proper divisors (1004742968).

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

879149992 is a wasteful number, since it uses less digits than its factorization.

879149992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15699120 (or 15699116 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 58.

The square root of 879149992 is about 29650.4636051445. The cubic root of 879149992 is about 957.9753307136.

The spelling of 879149992 in words is "eight hundred seventy-nine million, one hundred forty-nine thousand, nine hundred ninety-two".