856301227 has 4 divisors (see below), whose sum is σ = 856360960. Its totient is φ = 856241496.

The previous prime is 856301213. The next prime is 856301239. The reversal of 856301227 is 722103658.

It is a happy number.

856301227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(856301227) divides (856301227-1)³.

It is a cyclic number.

It is not a de Polignac number, because 856301227 - 2¹¹ = 856299179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 856301192 and 856301201.

It is not an unprimeable number, because it can be changed into a prime (856301207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5974 + ... + 41812.

It is an arithmetic number, because the mean of its divisors is an integer number (214090240).

Almost surely, 2^856301227 is an apocalyptic number.

856301227 is the 23893-rd pentagonal number.

856301227 is a deficient number, since it is larger than the sum of its proper divisors (59733).

856301227 is a wasteful number, since it uses less digits than its factorization.

856301227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59732.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 856301227 is about 29262.6250873021. The cubic root of 856301227 is about 949.6032422622.

The spelling of 856301227 in words is "eight hundred fifty-six million, three hundred one thousand, two hundred twenty-seven".