97927197 has 32 divisors (see below), whose sum is σ = 143731200. Its totient is φ = 59082048.

The previous prime is 97927183. The next prime is 97927201. The reversal of 97927197 is 79172979.

It is a de Polignac number, because none of the positive numbers 2^k-97927197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97927127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124038 + ... + 124824.

It is an arithmetic number, because the mean of its divisors is an integer number (4491600).

Almost surely, 2^97927197 is an apocalyptic number.

It is an amenable number.

97927197 is a deficient number, since it is larger than the sum of its proper divisors (45804003).

97927197 is a wasteful number, since it uses less digits than its factorization.

97927197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its digits is 500094, while the sum is 51.

The square root of 97927197 is about 9895.8171466534. The cubic root of 97927197 is about 460.9294330340.

The spelling of 97927197 in words is "ninety-seven million, nine hundred twenty-seven thousand, one hundred ninety-seven".