856137258796 has 12 divisors (see below), whose sum is σ = 1534782647160. Its totient is φ = 417627931040.

The previous prime is 856137258793. The next prime is 856137258811. The reversal of 856137258796 is 697852731658.

It is not an unprimeable number, because it can be changed into a prime (856137258793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610174406 + ... + 2610174733.

It is an arithmetic number, because the mean of its divisors is an integer number (127898553930).

Almost surely, 2^856137258796 is an apocalyptic number.

It is an amenable number.

856137258796 is a deficient number, since it is larger than the sum of its proper divisors (678645388364).

856137258796 is a wasteful number, since it uses less digits than its factorization.

856137258796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220349184 (or 5220349182 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 67.

The spelling of 856137258796 in words is "eight hundred fifty-six billion, one hundred thirty-seven million, two hundred fifty-eight thousand, seven hundred ninety-six".