99623875 has 32 divisors (see below), whose sum is σ = 135442944. Its totient is φ = 72720000.

The previous prime is 99623873. The next prime is 99623899. The reversal of 99623875 is 57832699.

It is not a de Polignac number, because 99623875 - 2¹ = 99623873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99623873) 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 31 ways as a sum of consecutive naturals, for example, 163822 + ... + 164428.

It is an arithmetic number, because the mean of its divisors is an integer number (4232592).

Almost surely, 2^99623875 is an apocalyptic number.

99623875 is a deficient number, since it is larger than the sum of its proper divisors (35819069).

99623875 is a wasteful number, since it uses less digits than its factorization.

99623875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 726 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 99623875 is about 9981.1760329132. The cubic root of 99623875 is about 463.5762130266.

The spelling of 99623875 in words is "ninety-nine million, six hundred twenty-three thousand, eight hundred seventy-five".