99929475 has 18 divisors (see below), whose sum is σ = 178985196. Its totient is φ = 53295600.

The previous prime is 99929449. The next prime is 99929477. The reversal of 99929475 is 57492999.

It is not a de Polignac number, because 99929475 - 2¹¹ = 99927427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99929477) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 221841 + ... + 222290.

It is an arithmetic number, because the mean of its divisors is an integer number (9943622).

Almost surely, 2^99929475 is an apocalyptic number.

99929475 is a deficient number, since it is larger than the sum of its proper divisors (79055721).

99929475 is a wasteful number, since it uses less digits than its factorization.

99929475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444147 (or 444139 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 99929475 is about 9996.4731280587. The cubic root of 99929475 is about 464.0497416824.

The spelling of 99929475 in words is "ninety-nine million, nine hundred twenty-nine thousand, four hundred seventy-five".