99975059 has 4 divisors (see below), whose sum is σ = 100148904. Its totient is φ = 99801216.

The previous prime is 99975047. The next prime is 99975061. The reversal of 99975059 is 95057999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99975059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99975059.

It is not an unprimeable number, because it can be changed into a prime (99975019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86057 + ... + 87210.

It is an arithmetic number, because the mean of its divisors is an integer number (25037226).

Almost surely, 2^99975059 is an apocalyptic number.

99975059 is a deficient number, since it is larger than the sum of its proper divisors (173845).

99975059 is a wasteful number, since it uses less digits than its factorization.

99975059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173844.

The product of its (nonzero) digits is 1148175, while the sum is 53.

The square root of 99975059 is about 9998.7528722336. The cubic root of 99975059 is about 464.1202915303.

The spelling of 99975059 in words is "ninety-nine million, nine hundred seventy-five thousand, fifty-nine".