312866387930568 has 32 divisors (see below), whose sum is σ = 782166422468160. Its totient is φ = 104288735624640.

The previous prime is 312866387930567. The next prime is 312866387930683. The reversal of 312866387930568 is 865039783668213.

It is a happy number.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 312866387930568.

It is not an unprimeable number, because it can be changed into a prime (312866387930567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61893646 + ... + 66757442.

It is an arithmetic number, because the mean of its divisors is an integer number (24442700702130).

Almost surely, 2^{312866387930568} is an apocalyptic number.

It is an amenable number.

312866387930568 is an abundant number, since it is smaller than the sum of its proper divisors (469300034537592).

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

312866387930568 is a wasteful number, since it uses less digits than its factorization.

312866387930568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544037 (or 7544033 counting only the distinct ones).

The product of its (nonzero) digits is 1881169920, while the sum is 75.

The spelling of 312866387930568 in words is "three hundred twelve trillion, eight hundred sixty-six billion, three hundred eighty-seven million, nine hundred thirty thousand, five hundred sixty-eight".