8712957939984 has 45 divisors (see below), whose sum is σ = 24384280032229. Its totient is φ = 2904307506240.

The previous prime is 8712957939967. The next prime is 8712957940189. The reversal of 8712957939984 is 4899397592178.

The square root of 8712957939984 is 2951772.

It is a perfect power (a square), and thus also a powerful number.

8712957939984 is a `hidden beast` number, since 8 + 7 + 1 + 2 + 9 + 579 + 39 + 9 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8032530925584 + 680427014400 = 2834172^2 + 824880^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35298274 + ... + 35544254.

Almost surely, 2^{8712957939984} is an apocalyptic number.

8712957939984 is the 2951772-nd square number.

It is an amenable number.

8712957939984 is an abundant number, since it is smaller than the sum of its proper divisors (15671322092245).

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

8712957939984 is an frugal number, since it uses more digits than its factorization.

8712957939984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491976 (or 245986 counting only the distinct ones).

The product of its digits is 2469035520, while the sum is 81.

Multiplying 8712957939984 by its sum of digits (81), we get a square (705749593138704 = 26565948²).

The spelling of 8712957939984 in words is "eight trillion, seven hundred twelve billion, nine hundred fifty-seven million, nine hundred thirty-nine thousand, nine hundred eighty-four".