97199297 has 8 divisors (see below), whose sum is σ = 106651944. Its totient is φ = 88028928.

The previous prime is 97199261. The next prime is 97199351. The reversal of 97199297 is 79299179.

It can be written as a sum of positive squares in 4 ways, for example, as 3671056 + 93528241 = 1916^2 + 9671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97199297 - 2¹⁰ = 97198273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97199227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69848 + ... + 71225.

It is an arithmetic number, because the mean of its divisors is an integer number (13331493).

Almost surely, 2^97199297 is an apocalyptic number.

It is an amenable number.

97199297 is a deficient number, since it is larger than the sum of its proper divisors (9452647).

97199297 is a wasteful number, since it uses less digits than its factorization.

97199297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141139.

The product of its digits is 642978, while the sum is 53.

The square root of 97199297 is about 9858.9703823472. The cubic root of 97199297 is about 459.7845509653.

The spelling of 97199297 in words is "ninety-seven million, one hundred ninety-nine thousand, two hundred ninety-seven".