99902787432000 has 1792 divisors, whose sum is σ = 400263059589120. Its totient is φ = 21477851136000.

The previous prime is 99902787431989. The next prime is 99902787432011. The reversal of 99902787432000 is 23478720999.

It is an interprime number because it is at equal distance from previous prime (99902787431989) and next prime (99902787432011).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 28798726266 + ... + 28798729734.

It is an arithmetic number, because the mean of its divisors is an integer number (223361082360).

Almost surely, 2^{99902787432000} 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 99902787432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200131529794560).

99902787432000 is an abundant number, since it is smaller than the sum of its proper divisors (300360272157120).

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

99902787432000 is a wasteful number, since it uses less digits than its factorization.

99902787432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697 (or 3677 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 99902787432000 in words is "ninety-nine trillion, nine hundred two billion, seven hundred eighty-seven million, four hundred thirty-two thousand".