99863167 has 6 divisors (see below), whose sum is σ = 102359984. Its totient is φ = 97425840.

The previous prime is 99863143. The next prime is 99863177. The reversal of 99863167 is 76136899.

It is not a de Polignac number, because 99863167 - 2¹⁵ = 99830399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99863167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99863177) 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, 28023 + ... + 31384.

Almost surely, 2^99863167 is an apocalyptic number.

99863167 is a deficient number, since it is larger than the sum of its proper divisors (2496817).

99863167 is an equidigital number, since it uses as much as digits as its factorization.

99863167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59489 (or 59448 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 99863167 is about 9993.1560079887. The cubic root of 99863167 is about 463.9470792176.

The spelling of 99863167 in words is "ninety-nine million, eight hundred sixty-three thousand, one hundred sixty-seven".