8287400904 has 32 divisors (see below), whose sum is σ = 20740860000. Its totient is φ = 2759485952.

The previous prime is 8287400899. The next prime is 8287400923. The reversal of 8287400904 is 4090047828.

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, 163554 + ... + 208145.

It is an arithmetic number, because the mean of its divisors is an integer number (648151875).

Almost surely, 2^8287400904 is an apocalyptic number.

It is an amenable number.

8287400904 is an abundant number, since it is smaller than the sum of its proper divisors (12453459096).

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

8287400904 is a wasteful number, since it uses less digits than its factorization.

8287400904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372637 (or 372633 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 8287400904 is about 91035.1630085870. The cubic root of 8287400904 is about 2023.6688628284.

The spelling of 8287400904 in words is "eight billion, two hundred eighty-seven million, four hundred thousand, nine hundred four".