97699397 has 4 divisors (see below), whose sum is σ = 99971520. Its totient is φ = 95427276.

The previous prime is 97699363. The next prime is 97699447. The reversal of 97699397 is 79399679.

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.

It is a cyclic number.

It is not a de Polignac number, because 97699397 - 2⁸ = 97699141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97699307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135997 + ... + 1136082.

It is an arithmetic number, because the mean of its divisors is an integer number (24992880).

Almost surely, 2^97699397 is an apocalyptic number.

It is an amenable number.

97699397 is a deficient number, since it is larger than the sum of its proper divisors (2272123).

97699397 is a wasteful number, since it uses less digits than its factorization.

97699397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272122.

The product of its digits is 5786802, while the sum is 59.

The square root of 97699397 is about 9884.3005316512. The cubic root of 97699397 is about 460.5717481045.

The spelling of 97699397 in words is "ninety-seven million, six hundred ninety-nine thousand, three hundred ninety-seven".