86686189 has 8 divisors (see below), whose sum is σ = 93191040. Its totient is φ = 80375616.

The previous prime is 86686181. The next prime is 86686207. The reversal of 86686189 is 98168668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86686189 - 2³ = 86686181 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 (86686181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47644 + ... + 49429.

It is an arithmetic number, because the mean of its divisors is an integer number (11648880).

Almost surely, 2^86686189 is an apocalyptic number.

It is an amenable number.

86686189 is a deficient number, since it is larger than the sum of its proper divisors (6504851).

86686189 is a wasteful number, since it uses less digits than its factorization.

86686189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97139.

The product of its digits is 995328, while the sum is 52.

The square root of 86686189 is about 9310.5418209683. The cubic root of 86686189 is about 442.5713572987.

The spelling of 86686189 in words is "eighty-six million, six hundred eighty-six thousand, one hundred eighty-nine".