99875911 has 4 divisors (see below), whose sum is σ = 100378000. Its totient is φ = 99373824.

The previous prime is 99875891. The next prime is 99875917. The reversal of 99875911 is 11957899.

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: 11957899 = 443 ⋅26993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99875911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99875917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250746 + ... + 251143.

It is an arithmetic number, because the mean of its divisors is an integer number (25094500).

Almost surely, 2^99875911 is an apocalyptic number.

99875911 is a deficient number, since it is larger than the sum of its proper divisors (502089).

99875911 is a wasteful number, since it uses less digits than its factorization.

99875911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502088.

The product of its digits is 204120, while the sum is 49.

The square root of 99875911 is about 9993.7936240449. The cubic root of 99875911 is about 463.9668138547.

The spelling of 99875911 in words is "ninety-nine million, eight hundred seventy-five thousand, nine hundred eleven".