8586445663 has 16 divisors (see below), whose sum is σ = 9358351200. Its totient is φ = 7845175296.

The previous prime is 8586445649. The next prime is 8586445687. The reversal of 8586445663 is 3665446858.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8586445663 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 (8586445633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267220 + ... + 297622.

It is an arithmetic number, because the mean of its divisors is an integer number (584896950).

Almost surely, 2^8586445663 is an apocalyptic number.

8586445663 is a deficient number, since it is larger than the sum of its proper divisors (771905537).

8586445663 is a wasteful number, since it uses less digits than its factorization.

8586445663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30906.

The product of its digits is 16588800, while the sum is 55.

The square root of 8586445663 is about 92663.0760497405. The cubic root of 8586445663 is about 2047.7226872868.

It can be divided in two parts, 858 and 6445663, that added together give a square (6446521 = 2539²).

The spelling of 8586445663 in words is "eight billion, five hundred eighty-six million, four hundred forty-five thousand, six hundred sixty-three".