319678882056 has 24 divisors (see below), whose sum is σ = 865796972430. Its totient is φ = 106559627328.

The previous prime is 319678882049. The next prime is 319678882069. The reversal of 319678882056 is 650288876913.

It can be written as a sum of positive squares in only one way, i.e., 305771397156 + 13907484900 = 552966^2 + 117930^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 319678881984 and 319678882002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2219992165 + ... + 2219992308.

Almost surely, 2^319678882056 is an apocalyptic number.

319678882056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

319678882056 is an abundant number, since it is smaller than the sum of its proper divisors (546118090374).

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

319678882056 is a wasteful number, since it uses less digits than its factorization.

319678882056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439984485 (or 4439984478 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 319678882056 in words is "three hundred nineteen billion, six hundred seventy-eight million, eight hundred eighty-two thousand, fifty-six".