8636397730956 has 48 divisors (see below), whose sum is σ = 22392988334080. Its totient is φ = 2878499987280.

The previous prime is 8636397730951. The next prime is 8636397730979. The reversal of 8636397730956 is 6590377936368.

8636397730956 is a `hidden beast` number, since 86 + 3 + 6 + 397 + 73 + 0 + 95 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (8636397730951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3111376 + ... + 5191671.

Almost surely, 2^{8636397730956} is an apocalyptic number.

It is an amenable number.

8636397730956 is an abundant number, since it is smaller than the sum of its proper divisors (13756590603124).

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

8636397730956 is a wasteful number, since it uses less digits than its factorization.

8636397730956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312691 (or 8312683 counting only the distinct ones).

The product of its (nonzero) digits is 925888320, while the sum is 72.

The spelling of 8636397730956 in words is "eight trillion, six hundred thirty-six billion, three hundred ninety-seven million, seven hundred thirty thousand, nine hundred fifty-six".