8696681536 has 21 divisors (see below), whose sum is σ = 17258957989. Its totient is φ = 4347967744.

The previous prime is 8696681509. The next prime is 8696681557. The reversal of 8696681536 is 6351866968.

The square root of 8696681536 is 93256.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6368040000 + 2328641536 = 79800^2 + 48256^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 740220 + ... + 751876.

Almost surely, 2^8696681536 is an apocalyptic number.

8696681536 is the 93256-th square number.

It is an amenable number.

8696681536 is a deficient number, since it is larger than the sum of its proper divisors (8562276453).

8696681536 is an frugal number, since it uses more digits than its factorization.

8696681536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23326 (or 11659 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The cubic root of 8696681536 is about 2056.4485841586.

The spelling of 8696681536 in words is "eight billion, six hundred ninety-six million, six hundred eighty-one thousand, five hundred thirty-six".