99988167 has 8 divisors (see below), whose sum is σ = 135005440. Its totient is φ = 65814840.

The previous prime is 99988139. The next prime is 99988219. The reversal of 99988167 is 76188999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99988167 - 2⁶ = 99988103 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 (99988117) 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 7 ways as a sum of consecutive naturals, for example, 210709 + ... + 211182.

It is an arithmetic number, because the mean of its divisors is an integer number (16875680).

Almost surely, 2^99988167 is an apocalyptic number.

99988167 is a deficient number, since it is larger than the sum of its proper divisors (35017273).

99988167 is a wasteful number, since it uses less digits than its factorization.

99988167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421973.

The product of its digits is 1959552, while the sum is 57.

The square root of 99988167 is about 9999.4083324965. The cubic root of 99988167 is about 464.1405746655.

The spelling of 99988167 in words is "ninety-nine million, nine hundred eighty-eight thousand, one hundred sixty-seven".