99713231800 has 192 divisors, whose sum is σ = 286014818880. Its totient is φ = 31482224640.

The previous prime is 99713231711. The next prime is 99713231873. The reversal of 99713231800 is 813231799.

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 47 ways as a sum of consecutive naturals, for example, 7874274 + ... + 7886926.

It is an arithmetic number, because the mean of its divisors is an integer number (1489660515).

Almost surely, 2^99713231800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99713231800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143007409440).

99713231800 is an abundant number, since it is smaller than the sum of its proper divisors (186301587080).

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

99713231800 is a wasteful number, since it uses less digits than its factorization.

99713231800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13122 (or 13113 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 99713231800 in words is "ninety-nine billion, seven hundred thirteen million, two hundred thirty-one thousand, eight hundred".