99090090179 has 12 divisors (see below), whose sum is σ = 101092530000. Its totient is φ = 97126577184.

The previous prime is 99090090173. The next prime is 99090090221. The reversal of 99090090179 is 97109009099.

It is not a de Polignac number, because 99090090179 - 2¹² = 99090086083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

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 99090090179.

It is not an unprimeable number, because it can be changed into a prime (99090090173) 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 11 ways as a sum of consecutive naturals, for example, 2986322 + ... + 3019320.

It is an arithmetic number, because the mean of its divisors is an integer number (8424377500).

Almost surely, 2^99090090179 is an apocalyptic number.

99090090179 is a deficient number, since it is larger than the sum of its proper divisors (2002439821).

99090090179 is a wasteful number, since it uses less digits than its factorization.

99090090179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34174 (or 34121 counting only the distinct ones).

The product of its (nonzero) digits is 413343, while the sum is 53.

The spelling of 99090090179 in words is "ninety-nine billion, ninety million, ninety thousand, one hundred seventy-nine".