508864317 has 16 divisors (see below), whose sum is σ = 732281088. Its totient is φ = 312459840.

The previous prime is 508864309. The next prime is 508864319. The reversal of 508864317 is 713468805.

It is not a de Polignac number, because 508864317 - 2³ = 508864309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508864319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3967 + ... + 32147.

It is an arithmetic number, because the mean of its divisors is an integer number (45767568).

Almost surely, 2^508864317 is an apocalyptic number.

It is an amenable number.

508864317 is a deficient number, since it is larger than the sum of its proper divisors (223416771).

508864317 is a wasteful number, since it uses less digits than its factorization.

508864317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28660.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 508864317 is about 22558.0211233166. The cubic root of 508864317 is about 798.3634863323.

The spelling of 508864317 in words is "five hundred eight million, eight hundred sixty-four thousand, three hundred seventeen".