99959275 has 36 divisors (see below), whose sum is σ = 136832760. Its totient is φ = 72384000.

The previous prime is 99959273. The next prime is 99959291. The reversal of 99959275 is 57295999.

It is not a de Polignac number, because 99959275 - 2¹ = 99959273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99959273) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 249075 + ... + 249475.

It is an arithmetic number, because the mean of its divisors is an integer number (3800910).

Almost surely, 2^99959275 is an apocalyptic number.

99959275 is a deficient number, since it is larger than the sum of its proper divisors (36873485).

99959275 is a wasteful number, since it uses less digits than its factorization.

99959275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 478 counting only the distinct ones).

The product of its digits is 2296350, while the sum is 55.

The square root of 99959275 is about 9997.9635426421. The cubic root of 99959275 is about 464.0958652374.

The spelling of 99959275 in words is "ninety-nine million, nine hundred fifty-nine thousand, two hundred seventy-five".