86986199 has 6 divisors (see below), whose sum is σ = 91805760. Its totient is φ = 82407636.

The previous prime is 86986187. The next prime is 86986219. The reversal of 86986199 is 99168968.

It is a de Polignac number, because none of the positive numbers 2^k-86986199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86986139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120119 + ... + 120840.

It is an arithmetic number, because the mean of its divisors is an integer number (15300960).

Almost surely, 2^86986199 is an apocalyptic number.

86986199 is a deficient number, since it is larger than the sum of its proper divisors (4819561).

86986199 is a wasteful number, since it uses less digits than its factorization.

86986199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240997 (or 240978 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 56.

The square root of 86986199 is about 9326.6392124924. The cubic root of 86986199 is about 443.0813307050.

The spelling of 86986199 in words is "eighty-six million, nine hundred eighty-six thousand, one hundred ninety-nine".