99115686 has 12 divisors (see below), whose sum is σ = 214750692. Its totient is φ = 33038556.

The previous prime is 99115663. The next prime is 99115697. The reversal of 99115686 is 68651199.

It is a super-2 number, since 2×99115686² = 19647838422501192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2753196 + ... + 2753231.

It is an arithmetic number, because the mean of its divisors is an integer number (17895891).

Almost surely, 2^99115686 is an apocalyptic number.

99115686 is an abundant number, since it is smaller than the sum of its proper divisors (115635006).

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

99115686 is a wasteful number, since it uses less digits than its factorization.

99115686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506435 (or 5506432 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 99115686 is about 9955.6861139753. The cubic root of 99115686 is about 462.7866230175.

The spelling of 99115686 in words is "ninety-nine million, one hundred fifteen thousand, six hundred eighty-six".