99113397 has 4 divisors (see below), whose sum is σ = 132151200. Its totient is φ = 66075596.

The previous prime is 99113369. The next prime is 99113407. The reversal of 99113397 is 79331199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79331199 = 3 ⋅26443733.

It is a cyclic number.

It is not a de Polignac number, because 99113397 - 2¹¹ = 99111349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99113347) 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, 16518897 + ... + 16518902.

It is an arithmetic number, because the mean of its divisors is an integer number (33037800).

Almost surely, 2^99113397 is an apocalyptic number.

It is an amenable number.

99113397 is a deficient number, since it is larger than the sum of its proper divisors (33037803).

99113397 is a wasteful number, since it uses less digits than its factorization.

99113397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33037802.

The product of its digits is 45927, while the sum is 42.

The square root of 99113397 is about 9955.5711538816. The cubic root of 99113397 is about 462.7830604239.

The spelling of 99113397 in words is "ninety-nine million, one hundred thirteen thousand, three hundred ninety-seven".