8945986855 has 16 divisors (see below), whose sum is σ = 11567503584. Its totient is φ = 6602532480.

The previous prime is 8945986853. The next prime is 8945986879. The reversal of 8945986855 is 5586895498.

8945986855 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 8945986855 - 2¹ = 8945986853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8945986853) 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 15 ways as a sum of consecutive naturals, for example, 79717 + ... + 155713.

It is an arithmetic number, because the mean of its divisors is an integer number (722968974).

Almost surely, 2^8945986855 is an apocalyptic number.

8945986855 is a deficient number, since it is larger than the sum of its proper divisors (2621516729).

8945986855 is a wasteful number, since it uses less digits than its factorization.

8945986855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77826.

The product of its digits is 124416000, while the sum is 67.

The square root of 8945986855 is about 94583.2271335674. The cubic root of 8945986855 is about 2075.9142904603.

The spelling of 8945986855 in words is "eight billion, nine hundred forty-five million, nine hundred eighty-six thousand, eight hundred fifty-five".