99915675 has 24 divisors (see below), whose sum is σ = 166321200. Its totient is φ = 52924800.

The previous prime is 99915619. The next prime is 99915679. The reversal of 99915675 is 57651999.

It is a happy number.

It is not a de Polignac number, because 99915675 - 2⁸ = 99915419 is a prime.

It is a super-2 number, since 2×99915675² = 19966284221411250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99915679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6705 + ... + 15645.

It is an arithmetic number, because the mean of its divisors is an integer number (6930050).

Almost surely, 2^99915675 is an apocalyptic number.

99915675 is a deficient number, since it is larger than the sum of its proper divisors (66405525).

99915675 is a wasteful number, since it uses less digits than its factorization.

99915675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103 (or 9098 counting only the distinct ones).

The product of its digits is 765450, while the sum is 51.

The square root of 99915675 is about 9995.7828607868. The cubic root of 99915675 is about 464.0283793458.

The spelling of 99915675 in words is "ninety-nine million, nine hundred fifteen thousand, six hundred seventy-five".