86180018539 has 4 divisors (see below), whose sum is σ = 86208286600. Its totient is φ = 86151750480.

The previous prime is 86180018537. The next prime is 86180018581. The reversal of 86180018539 is 93581008168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86180018539 - 2¹ = 86180018537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86180018492 and 86180018501.

It is not an unprimeable number, because it can be changed into a prime (86180018537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14129457 + ... + 14135554.

It is an arithmetic number, because the mean of its divisors is an integer number (21552071650).

Almost surely, 2^86180018539 is an apocalyptic number.

86180018539 is a deficient number, since it is larger than the sum of its proper divisors (28268061).

86180018539 is a wasteful number, since it uses less digits than its factorization.

86180018539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28268060.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 86180018539 in words is "eighty-six billion, one hundred eighty million, eighteen thousand, five hundred thirty-nine".