9135977868 has 36 divisors (see below), whose sum is σ = 23098818288. Its totient is φ = 3044653920.

The previous prime is 9135977857. The next prime is 9135977887. The reversal of 9135977868 is 8687795319.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153513 + ... + 204543.

Almost surely, 2^9135977868 is an apocalyptic number.

It is an amenable number.

9135977868 is an abundant number, since it is smaller than the sum of its proper divisors (13962840420).

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

9135977868 is a wasteful number, since it uses less digits than its factorization.

9135977868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56014 (or 56009 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The square root of 9135977868 is about 95582.3093882963. The cubic root of 9135977868 is about 2090.5072575059.

The spelling of 9135977868 in words is "nine billion, one hundred thirty-five million, nine hundred seventy-seven thousand, eight hundred sixty-eight".