712455857257664 has 28 divisors (see below), whose sum is σ = 1522531868035584. Its totient is φ = 328825780272384.

The previous prime is 712455857257637. The next prime is 712455857257721. The reversal of 712455857257664 is 466752758554217.

It is a junction number, because it is equal to n+sod(n) for n = 712455857257591 and 712455857257600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428158567232 + ... + 428158568895.

It is an arithmetic number, because the mean of its divisors is an integer number (54376138144128).

Almost surely, 2^{712455857257664} is an apocalyptic number.

It is an amenable number.

712455857257664 is an abundant number, since it is smaller than the sum of its proper divisors (810076010777920).

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

712455857257664 is a wasteful number, since it uses less digits than its factorization.

712455857257664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856317136152 (or 856317136142 counting only the distinct ones).

The product of its digits is 3951360000, while the sum is 74.

The spelling of 712455857257664 in words is "seven hundred twelve trillion, four hundred fifty-five billion, eight hundred fifty-seven million, two hundred fifty-seven thousand, six hundred sixty-four".