856313600851 has 8 divisors (see below), whose sum is σ = 867273151680. Its totient is φ = 845357053632.

The previous prime is 856313600839. The next prime is 856313600861. The reversal of 856313600851 is 158006313658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 856313600851 - 2⁵ = 856313600819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856313600861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174250 + ... + 1320223.

It is an arithmetic number, because the mean of its divisors is an integer number (108409143960).

Almost surely, 2^856313600851 is an apocalyptic number.

856313600851 is a deficient number, since it is larger than the sum of its proper divisors (10959550829).

856313600851 is a wasteful number, since it uses less digits than its factorization.

856313600851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501805.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 856313600851 in words is "eight hundred fifty-six billion, three hundred thirteen million, six hundred thousand, eight hundred fifty-one".