508407956823 has 16 divisors (see below), whose sum is σ = 768443876480. Its totient is φ = 296399780064.

The previous prime is 508407956821. The next prime is 508407956869. The reversal of 508407956823 is 328659704805.

It is not a de Polignac number, because 508407956823 - 2¹ = 508407956821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508407956821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343054561 + ... + 343056042.

It is an arithmetic number, because the mean of its divisors is an integer number (48027742280).

Almost surely, 2^508407956823 is an apocalyptic number.

508407956823 is a deficient number, since it is larger than the sum of its proper divisors (260035919657).

508407956823 is a wasteful number, since it uses less digits than its factorization.

508407956823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686110638.

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 508407956823 in words is "five hundred eight billion, four hundred seven million, nine hundred fifty-six thousand, eight hundred twenty-three".