8643380799 has 8 divisors (see below), whose sum is σ = 11528422192. Its totient is φ = 5760296640.

The previous prime is 8643380791. The next prime is 8643380803. The reversal of 8643380799 is 9970833468.

It is a happy number.

8643380799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8643380799 - 2³ = 8643380791 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 (8643380791) 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 7 ways as a sum of consecutive naturals, for example, 478972 + ... + 496689.

It is an arithmetic number, because the mean of its divisors is an integer number (1441052774).

Almost surely, 2^8643380799 is an apocalyptic number.

8643380799 is a deficient number, since it is larger than the sum of its proper divisors (2885041393).

8643380799 is a wasteful number, since it uses less digits than its factorization.

8643380799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978617.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The square root of 8643380799 is about 92969.7843334059. The cubic root of 8643380799 is about 2052.2387439331.

The spelling of 8643380799 in words is "eight billion, six hundred forty-three million, three hundred eighty thousand, seven hundred ninety-nine".