856240227 has 20 divisors (see below), whose sum is σ = 1281929176. Its totient is φ = 569553120.

The previous prime is 856240193. The next prime is 856240237. The reversal of 856240227 is 722042658.

856240227 is a `hidden beast` number, since 8 + 5 + 624 + 0 + 2 + 27 = 666.

It is not a de Polignac number, because 856240227 - 2⁸ = 856239971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 856240191 and 856240200.

It is not an unprimeable number, because it can be changed into a prime (856240237) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25452 + ... + 48582.

Almost surely, 2^856240227 is an apocalyptic number.

856240227 is a deficient number, since it is larger than the sum of its proper divisors (425688949).

856240227 is a wasteful number, since it uses less digits than its factorization.

856240227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23600 (or 23591 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 856240227 is about 29261.5827835748. The cubic root of 856240227 is about 949.5806928868.

The spelling of 856240227 in words is "eight hundred fifty-six million, two hundred forty thousand, two hundred twenty-seven".