86987299 has 12 divisors (see below), whose sum is σ = 102907800. Its totient is φ = 73294368.

The previous prime is 86987293. The next prime is 86987359. The reversal of 86987299 is 99278968.

It is not a de Polignac number, because 86987299 - 2³ = 86987291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86987291) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12154 + ... + 17935.

It is an arithmetic number, because the mean of its divisors is an integer number (8575650).

Almost surely, 2^86987299 is an apocalyptic number.

86987299 is a deficient number, since it is larger than the sum of its proper divisors (15920501).

86987299 is a wasteful number, since it uses less digits than its factorization.

86987299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30162 (or 30155 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The square root of 86987299 is about 9326.6981831729. The cubic root of 86987299 is about 443.0831983859.

The spelling of 86987299 in words is "eighty-six million, nine hundred eighty-seven thousand, two hundred ninety-nine".