312847572816 has 60 divisors (see below), whose sum is σ = 875595261268. Its totient is φ = 104275786752.

The previous prime is 312847572811. The next prime is 312847572827. The reversal of 312847572816 is 618275748213.

312847572816 is a `hidden beast` number, since 3 + 1 + 28 + 47 + 572 + 8 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 157529610000 + 155317962816 = 396900^2 + 394104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312847572811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2489346 + ... + 2611998.

Almost surely, 2^312847572816 is an apocalyptic number.

312847572816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

312847572816 is an abundant number, since it is smaller than the sum of its proper divisors (562747688452).

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

312847572816 is a wasteful number, since it uses less digits than its factorization.

312847572816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140380 (or 140371 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 312847572816 in words is "three hundred twelve billion, eight hundred forty-seven million, five hundred seventy-two thousand, eight hundred sixteen".