99867159 has 24 divisors (see below), whose sum is σ = 165184032. Its totient is φ = 56954880.

The previous prime is 99867137. The next prime is 99867161. The reversal of 99867159 is 95176899.

It is not a de Polignac number, because 99867159 - 2¹² = 99863063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99867179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39147 + ... + 41619.

It is an arithmetic number, because the mean of its divisors is an integer number (6882668).

Almost surely, 2^99867159 is an apocalyptic number.

99867159 is a deficient number, since it is larger than the sum of its proper divisors (65316873).

99867159 is a wasteful number, since it uses less digits than its factorization.

99867159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127 (or 3124 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 99867159 is about 9993.3557426922. The cubic root of 99867159 is about 463.9532611834.

The spelling of 99867159 in words is "ninety-nine million, eight hundred sixty-seven thousand, one hundred fifty-nine".