8696644443 has 24 divisors (see below), whose sum is σ = 12855377808. Its totient is φ = 5663241792.

The previous prime is 8696644417. The next prime is 8696644447. The reversal of 8696644443 is 3444466968.

It is a happy number.

It is not a de Polignac number, because 8696644443 - 2¹⁶ = 8696578907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8696644443.

It is not an unprimeable number, because it can be changed into a prime (8696644447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68121 + ... + 148437.

It is an arithmetic number, because the mean of its divisors is an integer number (535640742).

Almost surely, 2^8696644443 is an apocalyptic number.

8696644443 is a deficient number, since it is larger than the sum of its proper divisors (4158733365).

8696644443 is a wasteful number, since it uses less digits than its factorization.

8696644443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80603 (or 80600 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The square root of 8696644443 is about 93255.8011225039. The cubic root of 8696644443 is about 2056.4456604397.

The spelling of 8696644443 in words is "eight billion, six hundred ninety-six million, six hundred forty-four thousand, four hundred forty-three".