856926268812792 has 24 divisors (see below), whose sum is σ = 2320841978034840. Its totient is φ = 285642089604240.

The previous prime is 856926268812763. The next prime is 856926268812811. The reversal of 856926268812792 is 297218862629658.

856926268812792 is a `hidden beast` number, since 8 + 5 + 6 + 9 + 2 + 6 + 268 + 81 + 279 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×856926268812792² (a number of 31 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 5 ways as a sum of consecutive naturals, for example, 5950876866684 + ... + 5950876866827.

It is an arithmetic number, because the mean of its divisors is an integer number (96701749084785).

Almost surely, 2^{856926268812792} is an apocalyptic number.

It is an amenable number.

856926268812792 is an abundant number, since it is smaller than the sum of its proper divisors (1463915709222048).

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

856926268812792 is a wasteful number, since it uses less digits than its factorization.

856926268812792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11901753733523 (or 11901753733516 counting only the distinct ones).

The product of its digits is 5016453120, while the sum is 81.

The spelling of 856926268812792 in words is "eight hundred fifty-six trillion, nine hundred twenty-six billion, two hundred sixty-eight million, eight hundred twelve thousand, seven hundred ninety-two".