86659668 has 36 divisors (see below), whose sum is σ = 221192608. Its totient is φ = 28604880.

The previous prime is 86659667. The next prime is 86659669. The reversal of 86659668 is 86695668.

It is an interprime number because it is at equal distance from previous prime (86659667) and next prime (86659669).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86659667) 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 11 ways as a sum of consecutive naturals, for example, 7978 + ... + 15393.

Almost surely, 2^86659668 is an apocalyptic number.

It is an amenable number.

86659668 is an abundant number, since it is smaller than the sum of its proper divisors (134532940).

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

86659668 is a wasteful number, since it uses less digits than its factorization.

86659668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23484 (or 23479 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 86659668 is about 9309.1174662263. The cubic root of 86659668 is about 442.5262188812.

The spelling of 86659668 in words is "eighty-six million, six hundred fifty-nine thousand, six hundred sixty-eight".