879934439978 has 16 divisors (see below), whose sum is σ = 1454149087200. Its totient is φ = 396010098000.

The previous prime is 879934439963. The next prime is 879934439981.

879934439978 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198002828 + ... + 198007271.

It is an arithmetic number, because the mean of its divisors is an integer number (90884317950).

Almost surely, 2^879934439978 is an apocalyptic number.

879934439978 is a deficient number, since it is larger than the sum of its proper divisors (574214647222).

879934439978 is a wasteful number, since it uses less digits than its factorization.

879934439978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396010213.

The product of its digits is 2962842624, while the sum is 80.

The spelling of 879934439978 in words is "eight hundred seventy-nine billion, nine hundred thirty-four million, four hundred thirty-nine thousand, nine hundred seventy-eight".