99989167 has 6 divisors (see below), whose sum is σ = 103319664. Its totient is φ = 96762780.

The previous prime is 99989159. The next prime is 99989171. The reversal of 99989167 is 76198999.

It is not a de Polignac number, because 99989167 - 2³ = 99989159 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 (99989107) 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 5 ways as a sum of consecutive naturals, for example, 51063 + ... + 52984.

It is an arithmetic number, because the mean of its divisors is an integer number (17219944).

Almost surely, 2^99989167 is an apocalyptic number.

99989167 is a deficient number, since it is larger than the sum of its proper divisors (3330497).

99989167 is a wasteful number, since it uses less digits than its factorization.

99989167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104109 (or 104078 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 58.

The square root of 99989167 is about 9999.4583353300. The cubic root of 99989167 is about 464.1421219787.

The spelling of 99989167 in words is "ninety-nine million, nine hundred eighty-nine thousand, one hundred sixty-seven".