99750258 has 32 divisors (see below), whose sum is σ = 222203520. Its totient is φ = 33169680.

The previous prime is 99750251. The next prime is 99750263. The reversal of 99750258 is 85205799.

It is a happy number.

99750258 is a `hidden beast` number, since 9 + 97 + 502 + 58 = 666.

It is a super-2 number, since 2×99750258² = 19900227942133128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99750251) 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 15 ways as a sum of consecutive naturals, for example, 22891 + ... + 26897.

It is an arithmetic number, because the mean of its divisors is an integer number (6943860).

Almost surely, 2^99750258 is an apocalyptic number.

99750258 is an abundant number, since it is smaller than the sum of its proper divisors (122453262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99750258 is a wasteful number, since it uses less digits than its factorization.

99750258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 99750258 is about 9987.5050938660. The cubic root of 99750258 is about 463.7721613538.

The spelling of 99750258 in words is "ninety-nine million, seven hundred fifty thousand, two hundred fifty-eight".