872571227 has 16 divisors (see below), whose sum is σ = 986277600. Its totient is φ = 764682240.

The previous prime is 872571191. The next prime is 872571233. The reversal of 872571227 is 722175278.

It is a cyclic number.

It is not a de Polignac number, because 872571227 - 2²⁴ = 855794011 is a prime.

It is a super-2 number, since 2×872571227² = 1522761092376571058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872571127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243533 + ... + 247089.

It is an arithmetic number, because the mean of its divisors is an integer number (61642350).

Almost surely, 2^872571227 is an apocalyptic number.

872571227 is a deficient number, since it is larger than the sum of its proper divisors (113706373).

872571227 is a wasteful number, since it uses less digits than its factorization.

872571227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366.

The product of its digits is 109760, while the sum is 41.

The square root of 872571227 is about 29539.3166305519. The cubic root of 872571227 is about 955.5798045261.

The spelling of 872571227 in words is "eight hundred seventy-two million, five hundred seventy-one thousand, two hundred twenty-seven".