8911868912 has 20 divisors (see below), whose sum is σ = 17309817696. Its totient is φ = 4444819200.

The previous prime is 8911868887. The next prime is 8911868929. The reversal of 8911868912 is 2198681198.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688088 + ... + 700919.

Almost surely, 2^8911868912 is an apocalyptic number.

It is an amenable number.

8911868912 is a deficient number, since it is larger than the sum of its proper divisors (8397948784).

8911868912 is a wasteful number, since it uses less digits than its factorization.

8911868912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389416 (or 1389410 counting only the distinct ones).

The product of its digits is 497664, while the sum is 53.

The square root of 8911868912 is about 94402.6954699917. The cubic root of 8911868912 is about 2073.2719080608.

The spelling of 8911868912 in words is "eight billion, nine hundred eleven million, eight hundred sixty-eight thousand, nine hundred twelve".