8722865118172 has 6 divisors (see below), whose sum is σ = 15265013956808. Its totient is φ = 4361432559084.

The previous prime is 8722865118167. The next prime is 8722865118199. The reversal of 8722865118172 is 2718115682278.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1090358139768 + ... + 1090358139775.

Almost surely, 2^{8722865118172} is an apocalyptic number.

It is an amenable number.

8722865118172 is a deficient number, since it is larger than the sum of its proper divisors (6542148838636).

8722865118172 is a wasteful number, since it uses less digits than its factorization.

8722865118172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180716279547 (or 2180716279545 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 58.

The spelling of 8722865118172 in words is "eight trillion, seven hundred twenty-two billion, eight hundred sixty-five million, one hundred eighteen thousand, one hundred seventy-two".