99388800000 has 1584 divisors, whose sum is σ = 449031885120. Its totient is φ = 20643840000.

The previous prime is 99388799989. The next prime is 99388800011. The reversal of 99388800000 is 888399.

It is an interprime number because it is at equal distance from previous prime (99388799989) and next prime (99388800011).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3427199986 + ... + 3427200014.

Almost surely, 2^99388800000 is an apocalyptic number.

99388800000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99388800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224515942560).

99388800000 is an abundant number, since it is smaller than the sum of its proper divisors (349643085120).

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

99388800000 is a wasteful number, since it uses less digits than its factorization.

99388800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 99388800000 in words is "ninety-nine billion, three hundred eighty-eight million, eight hundred thousand".