8086666 has 48 divisors (see below), whose sum is σ = 15348960. Its totient is φ = 3175200.

The previous prime is 8086657. The next prime is 8086669. The reversal of 8086666 is 6666808.

It is an Ulam number.

8086666 is a modest number, since divided by 6666 gives 808 as remainder.

It is not an unprimeable number, because it can be changed into a prime (8086669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80016 + ... + 80116.

It is an arithmetic number, because the mean of its divisors is an integer number (319770).

Almost surely, 2^8086666 is an apocalyptic number.

8086666 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

8086666 is a deficient number, since it is larger than the sum of its proper divisors (7262294).

8086666 is a wasteful number, since it uses less digits than its factorization.

8086666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 8086666 is about 2843.7063842809. The cubic root of 8086666 is about 200.7196242657.

The spelling of 8086666 in words is "eight million, eighty-six thousand, six hundred sixty-six".