86663886 has 16 divisors (see below), whose sum is σ = 174287568. Its totient is φ = 28728000.

The previous prime is 86663827. The next prime is 86663887. The reversal of 86663886 is 68836668.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86663887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38815 + ... + 40986.

It is an arithmetic number, because the mean of its divisors is an integer number (10892973).

Almost surely, 2^86663886 is an apocalyptic number.

86663886 is an abundant number, since it is smaller than the sum of its proper divisors (87623682).

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

86663886 is a wasteful number, since it uses less digits than its factorization.

86663886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79987.

The product of its digits is 1990656, while the sum is 51.

The square root of 86663886 is about 9309.3440155577. The cubic root of 86663886 is about 442.5333984814.

The spelling of 86663886 in words is "eighty-six million, six hundred sixty-three thousand, eight hundred eighty-six".