8118363889 has 16 divisors (see below), whose sum is σ = 8974444032. Its totient is φ = 7304698368.

The previous prime is 8118363887. The next prime is 8118363899. The reversal of 8118363889 is 9883638118.

It is a cyclic number.

It is not a de Polignac number, because 8118363889 - 2¹ = 8118363887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8118363887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927397 + ... + 936109.

It is an arithmetic number, because the mean of its divisors is an integer number (560902752).

Almost surely, 2^8118363889 is an apocalyptic number.

It is an amenable number.

8118363889 is a deficient number, since it is larger than the sum of its proper divisors (856080143).

8118363889 is a wasteful number, since it uses less digits than its factorization.

8118363889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11136.

The product of its digits is 1990656, while the sum is 55.

The square root of 8118363889 is about 90101.9638465222. The cubic root of 8118363889 is about 2009.8154075013.

The spelling of 8118363889 in words is "eight billion, one hundred eighteen million, three hundred sixty-three thousand, eight hundred eighty-nine".