97197569 has 4 divisors (see below), whose sum is σ = 111082944. Its totient is φ = 83312196.

The previous prime is 97197497. The next prime is 97197599. The reversal of 97197569 is 96579179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96579179 = 113 ⋅854683.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97197569 is a prime.

It is a super-2 number, since 2×97197569² = 18894734839019522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97197569.

It is not an unprimeable number, because it can be changed into a prime (97197599) 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, 6942677 + ... + 6942690.

It is an arithmetic number, because the mean of its divisors is an integer number (27770736).

Almost surely, 2^97197569 is an apocalyptic number.

It is an amenable number.

97197569 is a deficient number, since it is larger than the sum of its proper divisors (13885375).

97197569 is a wasteful number, since it uses less digits than its factorization.

97197569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13885374.

The product of its digits is 1071630, while the sum is 53.

The square root of 97197569 is about 9858.8827460316. The cubic root of 97197569 is about 459.7818262802.

The spelling of 97197569 in words is "ninety-seven million, one hundred ninety-seven thousand, five hundred sixty-nine".