879141885 has 32 divisors (see below), whose sum is σ = 1449439488. Its totient is φ = 454740480.

The previous prime is 879141877. The next prime is 879141929. The reversal of 879141885 is 588141978.

It is a happy number.

It is not a de Polignac number, because 879141885 - 2³ = 879141877 is a prime.

It is a super-2 number, since 2×879141885² = 1545780907922706450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102264 + ... + 110526.

It is an arithmetic number, because the mean of its divisors is an integer number (45294984).

Almost surely, 2^879141885 is an apocalyptic number.

It is an amenable number.

879141885 is a deficient number, since it is larger than the sum of its proper divisors (570297603).

879141885 is a wasteful number, since it uses less digits than its factorization.

879141885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485.

The product of its digits is 645120, while the sum is 51.

The square root of 879141885 is about 29650.3268953312. The cubic root of 879141885 is about 957.9723860777.

The spelling of 879141885 in words is "eight hundred seventy-nine million, one hundred forty-one thousand, eight hundred eighty-five".