864956608 has 56 divisors (see below), whose sum is σ = 1840961520. Its totient is φ = 401955840.

The previous prime is 864956593. The next prime is 864956629. The reversal of 864956608 is 806659468.

It is a zygodrome in base 2.

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, 57738 + ... + 71158.

Almost surely, 2^864956608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864956608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920480760).

864956608 is an abundant number, since it is smaller than the sum of its proper divisors (976004912).

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

864956608 is a wasteful number, since it uses less digits than its factorization.

864956608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505 (or 13495 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 864956608 is about 29410.1446443230. The cubic root of 864956608 is about 952.7920109175.

The spelling of 864956608 in words is "eight hundred sixty-four million, nine hundred fifty-six thousand, six hundred eight".