8641380855 has 16 divisors (see below), whose sum is σ = 13829658624. Its totient is φ = 4607586720.

The previous prime is 8641380833. The next prime is 8641380859. The reversal of 8641380855 is 5580831468.

It is not a de Polignac number, because 8641380855 - 2⁶ = 8641380791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641380859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7891 + ... + 131700.

It is an arithmetic number, because the mean of its divisors is an integer number (864353664).

Almost surely, 2^8641380855 is an apocalyptic number.

8641380855 is a deficient number, since it is larger than the sum of its proper divisors (5188277769).

8641380855 is a wasteful number, since it uses less digits than its factorization.

8641380855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143726.

The product of its (nonzero) digits is 921600, while the sum is 48.

The square root of 8641380855 is about 92959.0278294690. The cubic root of 8641380855 is about 2052.0804463387.

The spelling of 8641380855 in words is "eight billion, six hundred forty-one million, three hundred eighty thousand, eight hundred fifty-five".