99999267 has 8 divisors (see below), whose sum is σ = 133398720. Its totient is φ = 66633000.

The previous prime is 99999259. The next prime is 99999307. The reversal of 99999267 is 76299999.

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

It is not a de Polignac number, because 99999267 - 2³ = 99999259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99999267.

It is not an unprimeable number, because it can be changed into a prime (99999217) 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, 109 + ... + 14142.

It is an arithmetic number, because the mean of its divisors is an integer number (16674840).

Almost surely, 2^99999267 is an apocalyptic number.

99999267 is a deficient number, since it is larger than the sum of its proper divisors (33399453).

99999267 is a wasteful number, since it uses less digits than its factorization.

99999267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16593.

The product of its digits is 4960116, while the sum is 60.

The square root of 99999267 is about 9999.9633499328. The cubic root of 99999267 is about 464.1577492636.

The spelling of 99999267 in words is "ninety-nine million, nine hundred ninety-nine thousand, two hundred sixty-seven".