99655699 has 8 divisors (see below), whose sum is σ = 117078192. Its totient is φ = 83627040.

The previous prime is 99655691. The next prime is 99655709.

It is a happy number.

99655699 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99655699 - 2³ = 99655691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99655691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348304 + ... + 348589.

It is an arithmetic number, because the mean of its divisors is an integer number (14634774).

Almost surely, 2^99655699 is an apocalyptic number.

99655699 is a deficient number, since it is larger than the sum of its proper divisors (17422493).

99655699 is a wasteful number, since it uses less digits than its factorization.

99655699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696917.

The product of its digits is 5904900, while the sum is 58.

The square root of 99655699 is about 9982.7701065386. The cubic root of 99655699 is about 463.6255695983.

The spelling of 99655699 in words is "ninety-nine million, six hundred fifty-five thousand, six hundred ninety-nine".