99845688 has 16 divisors (see below), whose sum is σ = 249614280. Its totient is φ = 33281888.

The previous prime is 99845657. The next prime is 99845729. The reversal of 99845688 is 88654899.

It is a super-3 number, since 3×99845688³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080095 + ... + 2080142.

Almost surely, 2^99845688 is an apocalyptic number.

It is an amenable number.

99845688 is an abundant number, since it is smaller than the sum of its proper divisors (149768592).

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

99845688 is a wasteful number, since it uses less digits than its factorization.

99845688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160246 (or 4160242 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 57.

The square root of 99845688 is about 9992.2814211770. The cubic root of 99845688 is about 463.9200094967.

The spelling of 99845688 in words is "ninety-nine million, eight hundred forty-five thousand, six hundred eighty-eight".