86180263 has 4 divisors (see below), whose sum is σ = 92809528. Its totient is φ = 79551000.

The previous prime is 86180221. The next prime is 86180267. The reversal of 86180263 is 36208168.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86180263 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 (86180267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3314613 + ... + 3314638.

It is an arithmetic number, because the mean of its divisors is an integer number (23202382).

Almost surely, 2^86180263 is an apocalyptic number.

86180263 is a deficient number, since it is larger than the sum of its proper divisors (6629265).

86180263 is a wasteful number, since it uses less digits than its factorization.

86180263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629264.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 86180263 is about 9283.3325374027. The cubic root of 86180263 is about 441.7086848043.

The spelling of 86180263 in words is "eighty-six million, one hundred eighty thousand, two hundred sixty-three".