868946864 has 40 divisors (see below), whose sum is σ = 1740567168. Its totient is φ = 419811840.

The previous prime is 868946809. The next prime is 868946873. The reversal of 868946864 is 468649868.

868946864 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, 543314 + ... + 544910.

Almost surely, 2^868946864 is an apocalyptic number.

It is an amenable number.

868946864 is an abundant number, since it is smaller than the sum of its proper divisors (871620304).

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

868946864 is a wasteful number, since it uses less digits than its factorization.

868946864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733 (or 2727 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 59.

The square root of 868946864 is about 29477.9046745185. The cubic root of 868946864 is about 954.2549176889.

The spelling of 868946864 in words is "eight hundred sixty-eight million, nine hundred forty-six thousand, eight hundred sixty-four".