99843718375 has 32 divisors (see below), whose sum is σ = 128051913600. Its totient is φ = 77668070400.

The previous prime is 99843718369. The next prime is 99843718399. The reversal of 99843718375 is 57381734899.

It is not a de Polignac number, because 99843718375 - 2²¹ = 99841621223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8684631 + ... + 8696119.

It is an arithmetic number, because the mean of its divisors is an integer number (4001622300).

Almost surely, 2^99843718375 is an apocalyptic number.

99843718375 is a deficient number, since it is larger than the sum of its proper divisors (28208195225).

99843718375 is a wasteful number, since it uses less digits than its factorization.

99843718375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420 (or 13410 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 64.

The spelling of 99843718375 in words is "ninety-nine billion, eight hundred forty-three million, seven hundred eighteen thousand, three hundred seventy-five".