99887600 has 120 divisors (see below), whose sum is σ = 253704000. Its totient is φ = 37739520.

The previous prime is 99887587. The next prime is 99887633. The reversal of 99887600 is 678899.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 916346 + ... + 916454.

It is an arithmetic number, because the mean of its divisors is an integer number (2114200).

Almost surely, 2^99887600 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 99887600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126852000).

99887600 is an abundant number, since it is smaller than the sum of its proper divisors (153816400).

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

99887600 is a wasteful number, since it uses less digits than its factorization.

99887600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 99887600 is about 9994.3784198919. The cubic root of 99887600 is about 463.9849133026.

The spelling of 99887600 in words is "ninety-nine million, eight hundred eighty-seven thousand, six hundred".