99549124376868 has 72 divisors (see below), whose sum is σ = 252301349035008. Its totient is φ = 33095579665728.

The previous prime is 99549124376833. The next prime is 99549124376941. The reversal of 99549124376868 is 86867342194599.

It is a happy number.

99549124376868 is a `hidden beast` number, since 9 + 9 + 5 + 49 + 124 + 376 + 86 + 8 = 666.

It is a super-2 number, since 2×99549124376868² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 841601746 + ... + 841720022.

It is an arithmetic number, because the mean of its divisors is an integer number (3504185403264).

Almost surely, 2^{99549124376868} is an apocalyptic number.

It is an amenable number.

99549124376868 is an abundant number, since it is smaller than the sum of its proper divisors (152752224658140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99549124376868 is a wasteful number, since it uses less digits than its factorization.

99549124376868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179713 (or 179708 counting only the distinct ones).

The product of its digits is 5643509760, while the sum is 81.

The spelling of 99549124376868 in words is "ninety-nine trillion, five hundred forty-nine billion, one hundred twenty-four million, three hundred seventy-six thousand, eight hundred sixty-eight".