13507817008 has 40 divisors (see below), whose sum is σ = 29929933568. Its totient is φ = 5785238592.

The previous prime is 13507816981. The next prime is 13507817027. The reversal of 13507817008 is 80071870531.

It is a happy number.

It is a super-2 number, since 2×13507817008² (a number of 21 digits) contains 22 as substring.

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, 133735 + ... + 211897.

Almost surely, 2^13507817008 is an apocalyptic number.

It is an amenable number.

13507817008 is an abundant number, since it is smaller than the sum of its proper divisors (16422116560).

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

13507817008 is a wasteful number, since it uses less digits than its factorization.

13507817008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79721 (or 79715 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 13507817008 in words is "thirteen billion, five hundred seven million, eight hundred seventeen thousand, eight".