516520008 has 24 divisors (see below), whose sum is σ = 1398908550. Its totient is φ = 172173312.

The previous prime is 516519977. The next prime is 516520021. The reversal of 516520008 is 800025615.

516520008 is a `hidden beast` number, since 5 + 1 + 652 + 0 + 0 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 454457124 + 62062884 = 21318^2 + 7878^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3586873 + ... + 3587016.

Almost surely, 2^516520008 is an apocalyptic number.

It is an amenable number.

516520008 is an abundant number, since it is smaller than the sum of its proper divisors (882388542).

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

516520008 is a wasteful number, since it uses less digits than its factorization.

516520008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173901 (or 7173894 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 516520008 is about 22727.0765387896. The cubic root of 516520008 is about 802.3472769611.

The spelling of 516520008 in words is "five hundred sixteen million, five hundred twenty thousand, eight".