8971663846712 has 64 divisors (see below), whose sum is σ = 19747559946240. Its totient is φ = 3740996678400.

The previous prime is 8971663846699. The next prime is 8971663846727. The reversal of 8971663846712 is 2176483661798.

It is a happy number.

It is a super-2 number, since 2×8971663846712² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4480964 + ... + 6166227.

It is an arithmetic number, because the mean of its divisors is an integer number (308555624160).

Almost surely, 2^{8971663846712} is an apocalyptic number.

8971663846712 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8971663846712 is an abundant number, since it is smaller than the sum of its proper divisors (10775896099528).

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

8971663846712 is a wasteful number, since it uses less digits than its factorization.

8971663846712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647612 (or 10647608 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 68.

The spelling of 8971663846712 in words is "eight trillion, nine hundred seventy-one billion, six hundred sixty-three million, eight hundred forty-six thousand, seven hundred twelve".