99117058 has 4 divisors (see below), whose sum is σ = 148675590. Its totient is φ = 49558528.

The previous prime is 99117019. The next prime is 99117059. The reversal of 99117058 is 85071199.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85071199 = 821 ⋅103619.

It can be written as a sum of positive squares in only one way, i.e., 83411689 + 15705369 = 9133^2 + 3963^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99117058.

It is not an unprimeable number, because it can be changed into a prime (99117059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24779263 + ... + 24779266.

Almost surely, 2^99117058 is an apocalyptic number.

99117058 is a deficient number, since it is larger than the sum of its proper divisors (49558532).

99117058 is a wasteful number, since it uses less digits than its factorization.

99117058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49558531.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 99117058 is about 9955.7550190832. The cubic root of 99117058 is about 462.7887583684.

The spelling of 99117058 in words is "ninety-nine million, one hundred seventeen thousand, fifty-eight".