99828905472 has 120 divisors (see below), whose sum is σ = 288238270320. Its totient is φ = 33261834240.

The previous prime is 99828905467. The next prime is 99828905483. The reversal of 99828905472 is 27450982899.

It is a happy number.

99828905472 is a `hidden beast` number, since 9 + 9 + 8 + 2 + 89 + 0 + 547 + 2 = 666.

99828905472 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18378597 + ... + 18384027.

It is an arithmetic number, because the mean of its divisors is an integer number (2401985586).

Almost surely, 2^99828905472 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 99828905472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144119135160).

99828905472 is an abundant number, since it is smaller than the sum of its proper divisors (188409364848).

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

99828905472 is a wasteful number, since it uses less digits than its factorization.

99828905472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444 (or 9425 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 99828905472 in words is "ninety-nine billion, eight hundred twenty-eight million, nine hundred five thousand, four hundred seventy-two".