99129288 has 32 divisors (see below), whose sum is σ = 248421600. Its totient is φ = 32963328.

The previous prime is 99129229. The next prime is 99129301. The reversal of 99129288 is 88292199.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5623 + ... + 15161.

It is an arithmetic number, because the mean of its divisors is an integer number (7763175).

Almost surely, 2^99129288 is an apocalyptic number.

It is an amenable number.

99129288 is an abundant number, since it is smaller than the sum of its proper divisors (149292312).

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

99129288 is a wasteful number, since it uses less digits than its factorization.

99129288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9981 (or 9977 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 99129288 is about 9956.3692177420. The cubic root of 99129288 is about 462.8077920035.

The spelling of 99129288 in words is "ninety-nine million, one hundred twenty-nine thousand, two hundred eighty-eight".