86018786 has 16 divisors (see below), whose sum is σ = 147587136. Its totient is φ = 36833616.

The previous prime is 86018773. The next prime is 86018797. The reversal of 86018786 is 68781068.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 22700 + ... + 26216.

It is an arithmetic number, because the mean of its divisors is an integer number (9224196).

Almost surely, 2^86018786 is an apocalyptic number.

86018786 is a deficient number, since it is larger than the sum of its proper divisors (61568350).

86018786 is a wasteful number, since it uses less digits than its factorization.

86018786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 86018786 is about 9274.6313134270. The cubic root of 86018786 is about 441.4326340194.

The spelling of 86018786 in words is "eighty-six million, eighteen thousand, seven hundred eighty-six".