864988608 has 112 divisors (see below), whose sum is σ = 2504870784. Its totient is φ = 261258240.

The previous prime is 864988589. The next prime is 864988609. The reversal of 864988608 is 806889468.

864988608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864988609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985866 + ... + 986742.

Almost surely, 2^864988608 is an apocalyptic number.

864988608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864988608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252435392).

864988608 is an abundant number, since it is smaller than the sum of its proper divisors (1639882176).

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

864988608 is a wasteful number, since it uses less digits than its factorization.

864988608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The square root of 864988608 is about 29410.6886692576. The cubic root of 864988608 is about 952.8037606277.

The spelling of 864988608 in words is "eight hundred sixty-four million, nine hundred eighty-eight thousand, six hundred eight".