8688407643 has 6 divisors (see below), whose sum is σ = 12549922164. Its totient is φ = 5792271756.

The previous prime is 8688407641. The next prime is 8688407671. The reversal of 8688407643 is 3467048868.

8688407643 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 8688407643 - 2¹ = 8688407641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8688407643.

It is not an unprimeable number, because it can be changed into a prime (8688407641) 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 5 ways as a sum of consecutive naturals, for example, 482689305 + ... + 482689322.

It is an arithmetic number, because the mean of its divisors is an integer number (2091653694).

Almost surely, 2^8688407643 is an apocalyptic number.

8688407643 is a deficient number, since it is larger than the sum of its proper divisors (3861514521).

8688407643 is a wasteful number, since it uses less digits than its factorization.

8688407643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965378633 (or 965378630 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The square root of 8688407643 is about 93211.6282606414. The cubic root of 8688407643 is about 2055.7962190690.

The spelling of 8688407643 in words is "eight billion, six hundred eighty-eight million, four hundred seven thousand, six hundred forty-three".