315815829864 has 32 divisors (see below), whose sum is σ = 789623964000. Its totient is φ = 105260691392.

The previous prime is 315815829829. The next prime is 315815829881. The reversal of 315815829864 is 468928518513.

It is a junction number, because it is equal to n+sod(n) for n = 315815829798 and 315815829807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472479 + ... + 924590.

It is an arithmetic number, because the mean of its divisors is an integer number (24675748875).

Almost surely, 2^315815829864 is an apocalyptic number.

It is an amenable number.

315815829864 is an abundant number, since it is smaller than the sum of its proper divisors (473808134136).

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

315815829864 is a wasteful number, since it uses less digits than its factorization.

315815829864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406497 (or 1406493 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 60.

The spelling of 315815829864 in words is "three hundred fifteen billion, eight hundred fifteen million, eight hundred twenty-nine thousand, eight hundred sixty-four".