508112875657 has 12 divisors (see below), whose sum is σ = 531771402820. Its totient is φ = 485466382368.

The previous prime is 508112875649. The next prime is 508112875709. The reversal of 508112875657 is 756578211805.

It can be written as a sum of positive squares in 2 ways, for example, as 387127862416 + 120985013241 = 622196^2 + 347829^2 .

It is not a de Polignac number, because 508112875657 - 2³ = 508112875649 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 508112875598 and 508112875607.

It is not an unprimeable number, because it can be changed into a prime (508112875637) 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, 83682 + ... + 1011547.

Almost surely, 2^508112875657 is an apocalyptic number.

It is an amenable number.

508112875657 is a deficient number, since it is larger than the sum of its proper divisors (23658527163).

508112875657 is a wasteful number, since it uses less digits than its factorization.

508112875657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096152 (or 1096129 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 55.

The spelling of 508112875657 in words is "five hundred eight billion, one hundred twelve million, eight hundred seventy-five thousand, six hundred fifty-seven".