99999000297 has 24 divisors (see below), whose sum is σ = 166932529920. Its totient is φ = 56500234560.

The previous prime is 99999000259. The next prime is 99999000319. The reversal of 99999000297 is 79200099999.

It is not a de Polignac number, because 99999000297 - 2¹⁴ = 99998983913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (99999000247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8911729 + ... + 8922942.

It is an arithmetic number, because the mean of its divisors is an integer number (6955522080).

Almost surely, 2^99999000297 is an apocalyptic number.

It is an amenable number.

99999000297 is a deficient number, since it is larger than the sum of its proper divisors (66933529623).

99999000297 is a wasteful number, since it uses less digits than its factorization.

99999000297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17834773 (or 17834770 counting only the distinct ones).

The product of its (nonzero) digits is 7440174, while the sum is 63.

The spelling of 99999000297 in words is "ninety-nine billion, nine hundred ninety-nine million, two hundred ninety-seven", and thus it is an aban number.