99113197 has 4 divisors (see below), whose sum is σ = 99133660. Its totient is φ = 99092736.

The previous prime is 99113173. The next prime is 99113239. The reversal of 99113197 is 79131199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79131199 = 7 ⋅11304457.

It can be written as a sum of positive squares in 2 ways, for example, as 5294601 + 93818596 = 2301^2 + 9686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99113197 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 (99113297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579 + ... + 14167.

It is an arithmetic number, because the mean of its divisors is an integer number (24783415).

Almost surely, 2^99113197 is an apocalyptic number.

It is an amenable number.

99113197 is a deficient number, since it is larger than the sum of its proper divisors (20463).

99113197 is a wasteful number, since it uses less digits than its factorization.

99113197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462.

The product of its digits is 15309, while the sum is 40.

The square root of 99113197 is about 9955.5611092494. The cubic root of 99113197 is about 462.7827491418.

The spelling of 99113197 in words is "ninety-nine million, one hundred thirteen thousand, one hundred ninety-seven".