8979391936892 has 36 divisors (see below), whose sum is σ = 17018560527696. Its totient is φ = 4143633661440.

The previous prime is 8979391936891. The next prime is 8979391936901. The reversal of 8979391936892 is 2986391939798.

It is a self number, because there is not a number n which added to its sum of digits gives 8979391936892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8979391936891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2886092 + ... + 5127212.

It is an arithmetic number, because the mean of its divisors is an integer number (472737792436).

Almost surely, 2^{8979391936892} is an apocalyptic number.

It is an amenable number.

8979391936892 is a deficient number, since it is larger than the sum of its proper divisors (8039168590804).

8979391936892 is a wasteful number, since it uses less digits than its factorization.

8979391936892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247078 (or 2247063 counting only the distinct ones).

The product of its digits is 2857026816, while the sum is 83.

The spelling of 8979391936892 in words is "eight trillion, nine hundred seventy-nine billion, three hundred ninety-one million, nine hundred thirty-six thousand, eight hundred ninety-two".