856841113 has 8 divisors (see below), whose sum is σ = 861303168. Its totient is φ = 852388704.

The previous prime is 856841107. The next prime is 856841143. The reversal of 856841113 is 311148658.

856841113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856841113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856841143) 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, 231445 + ... + 235117.

It is an arithmetic number, because the mean of its divisors is an integer number (107662896).

Almost surely, 2^856841113 is an apocalyptic number.

It is an amenable number.

856841113 is a deficient number, since it is larger than the sum of its proper divisors (4462055).

856841113 is a wasteful number, since it uses less digits than its factorization.

856841113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823.

The product of its digits is 23040, while the sum is 37.

The square root of 856841113 is about 29271.8484725512. The cubic root of 856841113 is about 949.8027708752.

The spelling of 856841113 in words is "eight hundred fifty-six million, eight hundred forty-one thousand, one hundred thirteen".