879161979 has 16 divisors (see below), whose sum is σ = 1188375552. Its totient is φ = 578052768.

The previous prime is 879161929. The next prime is 879161993. The reversal of 879161979 is 979161978.

It is not a de Polignac number, because 879161979 - 2¹³ = 879153787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (879161909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159894 + ... + 165300.

It is an arithmetic number, because the mean of its divisors is an integer number (74273472).

Almost surely, 2^879161979 is an apocalyptic number.

879161979 is a deficient number, since it is larger than the sum of its proper divisors (309213573).

879161979 is a wasteful number, since it uses less digits than its factorization.

879161979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146.

The product of its digits is 1714608, while the sum is 57.

The square root of 879161979 is about 29650.6657429475. The cubic root of 879161979 is about 957.9796846153.

Subtracting 879161979 from its reverse (979161978), we obtain a palindrome (99999999).

The spelling of 879161979 in words is "eight hundred seventy-nine million, one hundred sixty-one thousand, nine hundred seventy-nine".