63317670856 has 48 divisors (see below), whose sum is σ = 131960990700. Its totient is φ = 28457341440.

The previous prime is 63317670847. The next prime is 63317670877. The reversal of 63317670856 is 65807671336.

It can be written as a sum of positive squares in 2 ways, for example, as 62735220900 + 582449956 = 250470^2 + 24134^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281325 + ... + 453628.

Almost surely, 2^63317670856 is an apocalyptic number.

It is an amenable number.

63317670856 is an abundant number, since it is smaller than the sum of its proper divisors (68643319844).

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

63317670856 is a wasteful number, since it uses less digits than its factorization.

63317670856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735070 (or 735055 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 63317670856 in words is "sixty-three billion, three hundred seventeen million, six hundred seventy thousand, eight hundred fifty-six".