8475355818 has 12 divisors (see below), whose sum is σ = 18363270978. Its totient is φ = 2825118600.

The previous prime is 8475355817. The next prime is 8475355829. The reversal of 8475355818 is 8185535748.

8475355818 is a `hidden beast` number, since 8 + 4 + 7 + 53 + 5 + 581 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6183148689 + 2292207129 = 78633^2 + 47877^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8475355817) 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 5 ways as a sum of consecutive naturals, for example, 235426533 + ... + 235426568.

Almost surely, 2^8475355818 is an apocalyptic number.

8475355818 is an abundant number, since it is smaller than the sum of its proper divisors (9887915160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8475355818 is a wasteful number, since it uses less digits than its factorization.

8475355818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470853109 (or 470853106 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 54.

The square root of 8475355818 is about 92061.6957154277. The cubic root of 8475355818 is about 2038.8533074055.

The spelling of 8475355818 in words is "eight billion, four hundred seventy-five million, three hundred fifty-five thousand, eight hundred eighteen".