88999986 has 16 divisors (see below), whose sum is σ = 180657504. Its totient is φ = 29223744.

The previous prime is 88999979. The next prime is 89000027. The reversal of 88999986 is 68999988.

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, 110295 + ... + 111098.

It is an arithmetic number, because the mean of its divisors is an integer number (11291094).

Almost surely, 2^88999986 is an apocalyptic number.

88999986 is an abundant number, since it is smaller than the sum of its proper divisors (91657518).

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

88999986 is a wasteful number, since it uses less digits than its factorization.

88999986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221465.

The product of its digits is 20155392, while the sum is 66.

The square root of 88999986 is about 9433.9803900581. The cubic root of 88999986 is about 446.4744861478.

The spelling of 88999986 in words is "eighty-eight million, nine hundred ninety-nine thousand, nine hundred eighty-six".