97657227 has 6 divisors (see below), whose sum is σ = 141060452. Its totient is φ = 65104812.

The previous prime is 97657177. The next prime is 97657229. The reversal of 97657227 is 72275679.

97657227 is a `hidden beast` number, since 9 + 76 + 572 + 2 + 7 = 666.

It is not a de Polignac number, because 97657227 - 2¹¹ = 97655179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97657229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5425393 + ... + 5425410.

Almost surely, 2^97657227 is an apocalyptic number.

97657227 is a deficient number, since it is larger than the sum of its proper divisors (43403225).

97657227 is a wasteful number, since it uses less digits than its factorization.

97657227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850809 (or 10850806 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 97657227 is about 9882.1671206269. The cubic root of 97657227 is about 460.5054730257.

The spelling of 97657227 in words is "ninety-seven million, six hundred fifty-seven thousand, two hundred twenty-seven".