97937899 has 4 divisors (see below), whose sum is σ = 97969264. Its totient is φ = 97906536.

The previous prime is 97937863. The next prime is 97937909. The reversal of 97937899 is 99873979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99873979 = 1873 ⋅53323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97937899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97937599) 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, 10407 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (24492316).

Almost surely, 2^97937899 is an apocalyptic number.

97937899 is a deficient number, since it is larger than the sum of its proper divisors (31365).

97937899 is a wasteful number, since it uses less digits than its factorization.

97937899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31364.

The product of its digits is 7715736, while the sum is 61.

The square root of 97937899 is about 9896.3578653967. The cubic root of 97937899 is about 460.9462233546.

The spelling of 97937899 in words is "ninety-seven million, nine hundred thirty-seven thousand, eight hundred ninety-nine".