8664277636 has 12 divisors (see below), whose sum is σ = 17328555328. Its totient is φ = 3713261832.

The previous prime is 8664277603. The next prime is 8664277639. The reversal of 8664277636 is 6367724668.

8664277636 is an admirable number.

It is a hoax number, since the sum of its digits (55) 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 (8664277639) 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, 154719216 + ... + 154719271.

Almost surely, 2^8664277636 is an apocalyptic number.

It is an amenable number.

8664277636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8664277636 is a wasteful number, since it uses less digits than its factorization.

8664277636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309438498 (or 309438496 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 55.

The square root of 8664277636 is about 93082.1015877918. The cubic root of 8664277636 is about 2053.8912911264.

The spelling of 8664277636 in words is "eight billion, six hundred sixty-four million, two hundred seventy-seven thousand, six hundred thirty-six".