899987497008 has 40 divisors (see below), whose sum is σ = 2325087190848. Its totient is φ = 299980414272.

The previous prime is 899987496959. The next prime is 899987497039. The reversal of 899987497008 is 800794789998.

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, 481735 + ... + 1425497.

Almost surely, 2^899987497008 is an apocalyptic number.

It is an amenable number.

899987497008 is an abundant number, since it is smaller than the sum of its proper divisors (1425099693840).

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

899987497008 is a wasteful number, since it uses less digits than its factorization.

899987497008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963641 (or 963635 counting only the distinct ones).

The product of its (nonzero) digits is 658409472, while the sum is 78.

The spelling of 899987497008 in words is "eight hundred ninety-nine billion, nine hundred eighty-seven million, four hundred ninety-seven thousand, eight".