86659087 has 4 divisors (see below), whose sum is σ = 86677776. Its totient is φ = 86640400.

The previous prime is 86659063. The next prime is 86659093. The reversal of 86659087 is 78095668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86659087 - 2¹⁹ = 86134799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86659087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86659007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3462 + ... + 13612.

It is an arithmetic number, because the mean of its divisors is an integer number (21669444).

Almost surely, 2^86659087 is an apocalyptic number.

86659087 is a deficient number, since it is larger than the sum of its proper divisors (18689).

86659087 is a wasteful number, since it uses less digits than its factorization.

86659087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18688.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 86659087 is about 9309.0862602084. The cubic root of 86659087 is about 442.5252299232.

The spelling of 86659087 in words is "eighty-six million, six hundred fifty-nine thousand, eighty-seven".