507899966 has 32 divisors (see below), whose sum is σ = 887777280. Its totient is φ = 213418656.

The previous prime is 507899957. The next prime is 507899981. The reversal of 507899966 is 669998705.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500876 + ... + 501888.

It is an arithmetic number, because the mean of its divisors is an integer number (27743040).

Almost surely, 2^507899966 is an apocalyptic number.

507899966 is a deficient number, since it is larger than the sum of its proper divisors (379877314).

507899966 is a wasteful number, since it uses less digits than its factorization.

507899966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The square root of 507899966 is about 22536.6360843849. The cubic root of 507899966 is about 797.8588400301.

The spelling of 507899966 in words is "five hundred seven million, eight hundred ninety-nine thousand, nine hundred sixty-six".