508863193904 has 60 divisors (see below), whose sum is σ = 1067769745416. Its totient is φ = 234821822976.

The previous prime is 508863193903. The next prime is 508863193919. The reversal of 508863193904 is 409391368805.

It is a happy number.

It is a super-2 number, since 2×508863193904² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 508863193904.

It is not an unprimeable number, because it can be changed into a prime (508863193903) 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, 23143364 + ... + 23165340.

Almost surely, 2^508863193904 is an apocalyptic number.

It is an amenable number.

508863193904 is an abundant number, since it is smaller than the sum of its proper divisors (558906551512).

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

508863193904 is a wasteful number, since it uses less digits than its factorization.

508863193904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30574 (or 30555 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 508863193904 in words is "five hundred eight billion, eight hundred sixty-three million, one hundred ninety-three thousand, nine hundred four".