8686446868 has 24 divisors (see below), whose sum is σ = 16652047104. Its totient is φ = 3931996800.

The previous prime is 8686446851. The next prime is 8686446877.

8686446868 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 398980 + ... + 420187.

It is an arithmetic number, because the mean of its divisors is an integer number (693835296).

Almost surely, 2^8686446868 is an apocalyptic number.

It is an amenable number.

8686446868 is a deficient number, since it is larger than the sum of its proper divisors (7965600236).

8686446868 is a wasteful number, since it uses less digits than its factorization.

8686446868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819423 (or 819421 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 64.

The square root of 8686446868 is about 93201.1098002594. The cubic root of 8686446868 is about 2055.6415586960.

It can be divided in two parts, 8686 and 446868, that added together give a palindrome (455554).

The spelling of 8686446868 in words is "eight billion, six hundred eighty-six million, four hundred forty-six thousand, eight hundred sixty-eight".