99393023856 has 320 divisors, whose sum is σ = 311804297216. Its totient is φ = 26687232000.

The previous prime is 99393023827. The next prime is 99393023867. The reversal of 99393023856 is 65832039399.

It is a junction number, because it is equal to n+sod(n) for n = 99393023796 and 99393023805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50943681 + ... + 50945631.

Almost surely, 2^99393023856 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 99393023856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155902148608).

99393023856 is an abundant number, since it is smaller than the sum of its proper divisors (212411273360).

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

99393023856 is a wasteful number, since it uses less digits than its factorization.

99393023856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 57.

The spelling of 99393023856 in words is "ninety-nine billion, three hundred ninety-three million, twenty-three thousand, eight hundred fifty-six".