8641641717 has 12 divisors (see below), whose sum is σ = 12483437824. Its totient is φ = 5760602280.

The previous prime is 8641641683. The next prime is 8641641733. The reversal of 8641641717 is 7171461468.

8641641717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8641641717 - 2⁶ = 8641641653 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 (8641641017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93342 + ... + 161232.

Almost surely, 2^8641641717 is an apocalyptic number.

It is an amenable number.

8641641717 is a deficient number, since it is larger than the sum of its proper divisors (3841796107).

8641641717 is a wasteful number, since it uses less digits than its factorization.

8641641717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82040 (or 82037 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 8641641717 is about 92960.4309209031. The cubic root of 8641641717 is about 2052.1010952154.

The spelling of 8641641717 in words is "eight billion, six hundred forty-one million, six hundred forty-one thousand, seven hundred seventeen".