99179888899 has 8 divisors (see below), whose sum is σ = 122067555680. Its totient is φ = 78471999936.

The previous prime is 99179888897. The next prime is 99179888933. The reversal of 99179888899 is 99888897199.

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

It is a cyclic number.

It is not a de Polignac number, because 99179888899 - 2¹ = 99179888897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99179888897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544944354 + ... + 544944535.

It is an arithmetic number, because the mean of its divisors is an integer number (15258444460).

Almost surely, 2^99179888899 is an apocalyptic number.

99179888899 is a deficient number, since it is larger than the sum of its proper divisors (22887666781).

99179888899 is a wasteful number, since it uses less digits than its factorization.

99179888899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089888909.

The product of its digits is 1693052928, while the sum is 85.

The spelling of 99179888899 in words is "ninety-nine billion, one hundred seventy-nine million, eight hundred eighty-eight thousand, eight hundred ninety-nine".