86187668 has 24 divisors (see below), whose sum is σ = 175896000. Its totient is φ = 36936984.

The previous prime is 86187649. The next prime is 86187677. The reversal of 86187668 is 86678168.

It is a congruent number.

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, 30038 + ... + 32781.

It is an arithmetic number, because the mean of its divisors is an integer number (7329000).

Almost surely, 2^86187668 is an apocalyptic number.

It is an amenable number.

86187668 is an abundant number, since it is smaller than the sum of its proper divisors (89708332).

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

86187668 is a wasteful number, since it uses less digits than its factorization.

86187668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62844 (or 62828 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 86187668 is about 9283.7313619040. The cubic root of 86187668 is about 441.7213356481.

The spelling of 86187668 in words is "eighty-six million, one hundred eighty-seven thousand, six hundred sixty-eight".