8683644463868 has 12 divisors (see below), whose sum is σ = 16577866703832. Its totient is φ = 3947111119920.

The previous prime is 8683644463861. The next prime is 8683644463883.

8683644463868 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (74) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8683644463795 and 8683644463804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8683644463861) 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, 98677777955 + ... + 98677778042.

It is an arithmetic number, because the mean of its divisors is an integer number (1381488891986).

Almost surely, 2^{8683644463868} is an apocalyptic number.

It is an amenable number.

8683644463868 is a deficient number, since it is larger than the sum of its proper divisors (7894222239964).

8683644463868 is a wasteful number, since it uses less digits than its factorization.

8683644463868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197355556012 (or 197355556010 counting only the distinct ones).

The product of its digits is 3057647616, while the sum is 74.

The spelling of 8683644463868 in words is "eight trillion, six hundred eighty-three billion, six hundred forty-four million, four hundred sixty-three thousand, eight hundred sixty-eight".