99427923792 has 200 divisors, whose sum is σ = 296304993600. Its totient is φ = 32168378880.

The previous prime is 99427923737. The next prime is 99427923841. The reversal of 99427923792 is 29732972499.

99427923792 is a `hidden beast` number, since 9 + 9 + 427 + 92 + 37 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10569363 + ... + 10578765.

It is an arithmetic number, because the mean of its divisors is an integer number (1481524968).

Almost surely, 2^99427923792 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 99427923792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148152496800).

99427923792 is an abundant number, since it is smaller than the sum of its proper divisors (196877069808).

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

99427923792 is a wasteful number, since it uses less digits than its factorization.

99427923792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663 (or 9648 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 99427923792 in words is "ninety-nine billion, four hundred twenty-seven million, nine hundred twenty-three thousand, seven hundred ninety-two".