856951113 has 16 divisors (see below), whose sum is σ = 1215907200. Its totient is φ = 534986496.

The previous prime is 856951111. The next prime is 856951159. The reversal of 856951113 is 311159658.

It is not a de Polignac number, because 856951113 - 2¹ = 856951111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (856951111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32070 + ... + 52367.

It is an arithmetic number, because the mean of its divisors is an integer number (75994200).

Almost surely, 2^856951113 is an apocalyptic number.

It is an amenable number.

856951113 is a deficient number, since it is larger than the sum of its proper divisors (358956087).

856951113 is a wasteful number, since it uses less digits than its factorization.

856951113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84656.

The product of its digits is 32400, while the sum is 39.

The square root of 856951113 is about 29273.7273506467. The cubic root of 856951113 is about 949.8434138963.

The spelling of 856951113 in words is "eight hundred fifty-six million, nine hundred fifty-one thousand, one hundred thirteen".