99565701 has 4 divisors (see below), whose sum is σ = 132754272. Its totient is φ = 66377132.

The previous prime is 99565679. The next prime is 99565703. The reversal of 99565701 is 10756599.

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.

It is a cyclic number.

It is not a de Polignac number, because 99565701 - 2⁶ = 99565637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99565703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16594281 + ... + 16594286.

It is an arithmetic number, because the mean of its divisors is an integer number (33188568).

Almost surely, 2^99565701 is an apocalyptic number.

It is an amenable number.

99565701 is a deficient number, since it is larger than the sum of its proper divisors (33188571).

99565701 is a wasteful number, since it uses less digits than its factorization.

99565701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33188570.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 99565701 is about 9978.2614217107. The cubic root of 99565701 is about 463.4859624599.

The spelling of 99565701 in words is "ninety-nine million, five hundred sixty-five thousand, seven hundred one".