99902088 has 192 divisors, whose sum is σ = 329172480. Its totient is φ = 26956800.

The previous prime is 99902063. The next prime is 99902093. The reversal of 99902088 is 88020999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319020 + ... + 319332.

It is an arithmetic number, because the mean of its divisors is an integer number (1714440).

Almost surely, 2^99902088 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 99902088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164586240).

99902088 is an abundant number, since it is smaller than the sum of its proper divisors (229270392).

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

99902088 is a wasteful number, since it uses less digits than its factorization.

99902088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 99902088 is about 9995.1032010680. The cubic root of 99902088 is about 464.0073448104.

The spelling of 99902088 in words is "ninety-nine million, nine hundred two thousand, eighty-eight".