8715864 has 16 divisors (see below), whose sum is σ = 21789720. Its totient is φ = 2905280.

The previous prime is 8715841. The next prime is 8715877. The reversal of 8715864 is 4685178.

8715864 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181557 + ... + 181604.

Almost surely, 2^8715864 is an apocalyptic number.

It is an amenable number.

8715864 is an abundant number, since it is smaller than the sum of its proper divisors (13073856).

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

8715864 is a wasteful number, since it uses less digits than its factorization.

8715864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363170 (or 363166 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 8715864 is about 2952.2642158181. The cubic root of 8715864 is about 205.7959458648.

It can be divided in two parts, 87 and 15864, that added together give a palindrome (15951).

The spelling of 8715864 in words is "eight million, seven hundred fifteen thousand, eight hundred sixty-four".