8715664 has 20 divisors (see below), whose sum is σ = 17092656. Its totient is φ = 4304672.

The previous prime is 8715659. The next prime is 8715667. The reversal of 8715664 is 4665178.

It is not an unprimeable number, because it can be changed into a prime (8715667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954 + ... + 4609.

Almost surely, 2^8715664 is an apocalyptic number.

It is an amenable number.

8715664 is a deficient number, since it is larger than the sum of its proper divisors (8376992).

8715664 is a wasteful number, since it uses less digits than its factorization.

8715664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6654 (or 6648 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 8715664 is about 2952.2303433167. The cubic root of 8715664 is about 205.7943717426.

It can be divided in two parts, 87 and 15664, that added together give a palindrome (15751).

The spelling of 8715664 in words is "eight million, seven hundred fifteen thousand, six hundred sixty-four".