99859167 has 6 divisors (see below), whose sum is σ = 144241032. Its totient is φ = 66572772.

The previous prime is 99859159. The next prime is 99859171. The reversal of 99859167 is 76195899.

It is not a de Polignac number, because 99859167 - 2³ = 99859159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99859147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5547723 + ... + 5547740.

It is an arithmetic number, because the mean of its divisors is an integer number (24040172).

Almost surely, 2^99859167 is an apocalyptic number.

99859167 is a deficient number, since it is larger than the sum of its proper divisors (44381865).

99859167 is a wasteful number, since it uses less digits than its factorization.

99859167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11095469 (or 11095466 counting only the distinct ones).

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

The square root of 99859167 is about 9992.9558690109. The cubic root of 99859167 is about 463.9408846978.

The spelling of 99859167 in words is "ninety-nine million, eight hundred fifty-nine thousand, one hundred sixty-seven".