99192859 has 4 divisors (see below), whose sum is σ = 103505616. Its totient is φ = 94880104.

The previous prime is 99192857. The next prime is 99192881. The reversal of 99192859 is 95829199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99192859 - 2¹ = 99192857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99192851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156344 + ... + 2156389.

It is an arithmetic number, because the mean of its divisors is an integer number (25876404).

Almost surely, 2^99192859 is an apocalyptic number.

99192859 is a deficient number, since it is larger than the sum of its proper divisors (4312757).

99192859 is a wasteful number, since it uses less digits than its factorization.

99192859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312756.

The product of its digits is 524880, while the sum is 52.

The square root of 99192859 is about 9959.5611851125. The cubic root of 99192859 is about 462.9067027889.

The spelling of 99192859 in words is "ninety-nine million, one hundred ninety-two thousand, eight hundred fifty-nine".