99379475 has 12 divisors (see below), whose sum is σ = 132710256. Its totient is φ = 73387680.

The previous prime is 99379471. The next prime is 99379477. The reversal of 99379475 is 57497399.

It is a happy number.

It is not a de Polignac number, because 99379475 - 2² = 99379471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99379471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152567 + ... + 153216.

It is an arithmetic number, because the mean of its divisors is an integer number (11059188).

Almost surely, 2^99379475 is an apocalyptic number.

99379475 is a deficient number, since it is larger than the sum of its proper divisors (33330781).

99379475 is a wasteful number, since it uses less digits than its factorization.

99379475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305806 (or 305801 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 53.

The square root of 99379475 is about 9968.9254686751. The cubic root of 99379475 is about 463.1968166836.

The spelling of 99379475 in words is "ninety-nine million, three hundred seventy-nine thousand, four hundred seventy-five".