8911977612 has 24 divisors (see below), whose sum is σ = 21147067200. Its totient is φ = 2920308816.

The previous prime is 8911977577. The next prime is 8911977629. The reversal of 8911977612 is 2167791198.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6293062 + ... + 6294477.

It is an arithmetic number, because the mean of its divisors is an integer number (881127800).

Almost surely, 2^8911977612 is an apocalyptic number.

It is an amenable number.

8911977612 is an abundant number, since it is smaller than the sum of its proper divisors (12235089588).

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

8911977612 is a wasteful number, since it uses less digits than its factorization.

8911977612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12587605 (or 12587603 counting only the distinct ones).

The product of its digits is 381024, while the sum is 51.

The square root of 8911977612 is about 94403.2711933225. The cubic root of 8911977612 is about 2073.2803374090.

The spelling of 8911977612 in words is "eight billion, nine hundred eleven million, nine hundred seventy-seven thousand, six hundred twelve".