99087197 has 16 divisors (see below), whose sum is σ = 113173632. Its totient is φ = 85873920.

The previous prime is 99087193. The next prime is 99087217. The reversal of 99087197 is 79178099.

It is not a de Polignac number, because 99087197 - 2² = 99087193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99087193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115193 + ... + 116049.

It is an arithmetic number, because the mean of its divisors is an integer number (7073352).

Almost surely, 2^99087197 is an apocalyptic number.

It is an amenable number.

99087197 is a deficient number, since it is larger than the sum of its proper divisors (14086435).

99087197 is a wasteful number, since it uses less digits than its factorization.

99087197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 285768, while the sum is 50.

The square root of 99087197 is about 9954.2552207586. The cubic root of 99087197 is about 462.7422789046.

The spelling of 99087197 in words is "ninety-nine million, eighty-seven thousand, one hundred ninety-seven".