879161978 has 16 divisors (see below), whose sum is σ = 1352471040. Its totient is φ = 428417136.

The previous prime is 879161929. The next prime is 879161993.

879161978 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900 + ... + 42032.

It is an arithmetic number, because the mean of its divisors is an integer number (84529440).

Almost surely, 2^879161978 is an apocalyptic number.

879161978 is a deficient number, since it is larger than the sum of its proper divisors (473309062).

879161978 is a wasteful number, since it uses less digits than its factorization.

879161978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39421.

The product of its digits is 1524096, while the sum is 56.

The square root of 879161978 is about 29650.6657260845. The cubic root of 879161978 is about 957.9796842521.

The spelling of 879161978 in words is "eight hundred seventy-nine million, one hundred sixty-one thousand, nine hundred seventy-eight".