97375899 has 4 divisors (see below), whose sum is σ = 129834536. Its totient is φ = 64917264.

The previous prime is 97375877. The next prime is 97375909. The reversal of 97375899 is 99857379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99857379 = 3 ⋅33285793.

It is not a de Polignac number, because 97375899 - 2⁷ = 97375771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97375819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16229314 + ... + 16229319.

It is an arithmetic number, because the mean of its divisors is an integer number (32458634).

Almost surely, 2^97375899 is an apocalyptic number.

97375899 is a deficient number, since it is larger than the sum of its proper divisors (32458637).

97375899 is a wasteful number, since it uses less digits than its factorization.

97375899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32458636.

The product of its digits is 4286520, while the sum is 57.

The square root of 97375899 is about 9867.9227297340. The cubic root of 97375899 is about 460.0628442810.

The spelling of 97375899 in words is "ninety-seven million, three hundred seventy-five thousand, eight hundred ninety-nine".