8663711684 has 12 divisors (see below), whose sum is σ = 15263251500. Its totient is φ = 4302782688.

The previous prime is 8663711659. The next prime is 8663711687. The reversal of 8663711684 is 4861173668.

It can be written as a sum of positive squares in 2 ways, for example, as 5191202500 + 3472509184 = 72050^2 + 58928^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8663711687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7267619 + ... + 7268810.

It is an arithmetic number, because the mean of its divisors is an integer number (1271937625).

Almost surely, 2^8663711684 is an apocalyptic number.

It is an amenable number.

8663711684 is a deficient number, since it is larger than the sum of its proper divisors (6599539816).

8663711684 is a wasteful number, since it uses less digits than its factorization.

8663711684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14536582 (or 14536580 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 8663711684 is about 93079.0614692692. The cubic root of 8663711684 is about 2053.8465699835.

The spelling of 8663711684 in words is "eight billion, six hundred sixty-three million, seven hundred eleven thousand, six hundred eighty-four".