99873936799 has 16 divisors (see below), whose sum is σ = 125780419072. Its totient is φ = 77183432928.

The previous prime is 99873936781. The next prime is 99873936821. The reversal of 99873936799 is 99763937899.

It is not a de Polignac number, because 99873936799 - 2⁹ = 99873936287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99873936709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12757899 + ... + 12765724.

It is an arithmetic number, because the mean of its divisors is an integer number (7861276192).

Almost surely, 2^99873936799 is an apocalyptic number.

99873936799 is a deficient number, since it is larger than the sum of its proper divisors (25906482273).

99873936799 is a wasteful number, since it uses less digits than its factorization.

99873936799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25523686.

The product of its digits is 1249949232, while the sum is 79.

The spelling of 99873936799 in words is "ninety-nine billion, eight hundred seventy-three million, nine hundred thirty-six thousand, seven hundred ninety-nine".