856260281368 has 32 divisors (see below), whose sum is σ = 1624714025760. Its totient is φ = 423020620800.

The previous prime is 856260281353. The next prime is 856260281377. The reversal of 856260281368 is 863182062658.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694521 + ... + 1481512.

It is an arithmetic number, because the mean of its divisors is an integer number (50772313305).

Almost surely, 2^856260281368 is an apocalyptic number.

It is an amenable number.

856260281368 is a deficient number, since it is larger than the sum of its proper divisors (768453744392).

856260281368 is a wasteful number, since it uses less digits than its factorization.

856260281368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176627 (or 2176623 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 856260281368 in words is "eight hundred fifty-six billion, two hundred sixty million, two hundred eighty-one thousand, three hundred sixty-eight".