86556263 has 4 divisors (see below), whose sum is σ = 86591208. Its totient is φ = 86521320.

The previous prime is 86556233. The next prime is 86556277. The reversal of 86556263 is 36265568.

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 86556263 - 2⁸ = 86556007 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 86556263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86556203) 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, 13448 + ... + 18813.

It is an arithmetic number, because the mean of its divisors is an integer number (21647802).

Almost surely, 2^86556263 is an apocalyptic number.

86556263 is a deficient number, since it is larger than the sum of its proper divisors (34945).

86556263 is a wasteful number, since it uses less digits than its factorization.

86556263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34944.

The product of its digits is 259200, while the sum is 41.

The square root of 86556263 is about 9303.5618447990. The cubic root of 86556263 is about 442.3501368301.

The spelling of 86556263 in words is "eighty-six million, five hundred fifty-six thousand, two hundred sixty-three".