855814031 has 8 divisors (see below), whose sum is σ = 869628480. Its totient is φ = 842074272.

The previous prime is 855814021. The next prime is 855814039. The reversal of 855814031 is 130418558.

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

It is a de Polignac number, because none of the positive numbers 2^k-855814031 is a prime.

It is a super-2 number, since 2×855814031² = 1464835311312937922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855813982 and 855814000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855814039) 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, 4661 + ... + 41633.

It is an arithmetic number, because the mean of its divisors is an integer number (108703560).

Almost surely, 2^855814031 is an apocalyptic number.

855814031 is a deficient number, since it is larger than the sum of its proper divisors (13814449).

855814031 is a wasteful number, since it uses less digits than its factorization.

855814031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37345.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 855814031 is about 29254.2993592395. The cubic root of 855814031 is about 949.4231145784.

The spelling of 855814031 in words is "eight hundred fifty-five million, eight hundred fourteen thousand, thirty-one".