86187263 has 8 divisors (see below), whose sum is σ = 91616832. Its totient is φ = 80797696.

The previous prime is 86187221. The next prime is 86187271. The reversal of 86187263 is 36278168.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86187263 - 2¹⁰ = 86186239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86187263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86187203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5495 + ... + 14232.

It is an arithmetic number, because the mean of its divisors is an integer number (11452104).

Almost surely, 2^86187263 is an apocalyptic number.

86187263 is a deficient number, since it is larger than the sum of its proper divisors (5429569).

86187263 is a wasteful number, since it uses less digits than its factorization.

86187263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001.

The product of its digits is 96768, while the sum is 41.

The square root of 86187263 is about 9283.7095495281. The cubic root of 86187263 is about 441.7206437571.

The spelling of 86187263 in words is "eighty-six million, one hundred eighty-seven thousand, two hundred sixty-three".