864745008 has 40 divisors (see below), whose sum is σ = 2237023488. Its totient is φ = 287848512.

The previous prime is 864744977. The next prime is 864745061. The reversal of 864745008 is 800547468.

864745008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 23541 + ... + 47787.

Almost surely, 2^864745008 is an apocalyptic number.

It is an amenable number.

864745008 is an abundant number, since it is smaller than the sum of its proper divisors (1372278480).

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

864745008 is a wasteful number, since it uses less digits than its factorization.

864745008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25001 (or 24995 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 864745008 is about 29406.5470261301. The cubic root of 864745008 is about 952.7143086643.

The spelling of 864745008 in words is "eight hundred sixty-four million, seven hundred forty-five thousand, eight".