912689760672 has 72 divisors (see below), whose sum is σ = 2614406594436. Its totient is φ = 302009250816.

The previous prime is 912689760637. The next prime is 912689760721. The reversal of 912689760672 is 276067986219.

912689760672 is a `hidden beast` number, since 9 + 12 + 6 + 8 + 9 + 7 + 606 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 892866247056 + 19823513616 = 944916^2 + 140796^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11526463 + ... + 11605374.

Almost surely, 2^912689760672 is an apocalyptic number.

It is an amenable number.

912689760672 is an abundant number, since it is smaller than the sum of its proper divisors (1701716833764).

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

912689760672 is a wasteful number, since it uses less digits than its factorization.

912689760672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23131990 (or 23131979 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 912689760672 in words is "nine hundred twelve billion, six hundred eighty-nine million, seven hundred sixty thousand, six hundred seventy-two".