99196865 has 4 divisors (see below), whose sum is σ = 119036244. Its totient is φ = 79357488.

The previous prime is 99196843. The next prime is 99196873. The reversal of 99196865 is 56869199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56869199 = 17 ⋅3345247.

It can be written as a sum of positive squares in 2 ways, for example, as 45144961 + 54051904 = 6719^2 + 7352^2 .

It is a cyclic number.

It is not a de Polignac number, because 99196865 - 2²² = 95002561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9919682 + ... + 9919691.

It is an arithmetic number, because the mean of its divisors is an integer number (29759061).

Almost surely, 2^99196865 is an apocalyptic number.

It is an amenable number.

99196865 is a deficient number, since it is larger than the sum of its proper divisors (19839379).

99196865 is a wasteful number, since it uses less digits than its factorization.

99196865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19839378.

The product of its digits is 1049760, while the sum is 53.

The square root of 99196865 is about 9959.7622963603. The cubic root of 99196865 is about 462.9129343507.

The spelling of 99196865 in words is "ninety-nine million, one hundred ninety-six thousand, eight hundred sixty-five".