8718368481 has 12 divisors (see below), whose sum is σ = 13255999120. Its totient is φ = 5506337880.

The previous prime is 8718368479. The next prime is 8718368489. The reversal of 8718368481 is 1848638178.

It is a happy number.

8718368481 is a `hidden beast` number, since 87 + 1 + 83 + 6 + 8 + 481 = 666.

It is not a de Polignac number, because 8718368481 - 2¹ = 8718368479 is a prime.

It is a super-2 number, since 2×8718368481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8718368489) 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 11 ways as a sum of consecutive naturals, for example, 25492135 + ... + 25492476.

Almost surely, 2^8718368481 is an apocalyptic number.

It is an amenable number.

8718368481 is a deficient number, since it is larger than the sum of its proper divisors (4537630639).

8718368481 is a wasteful number, since it uses less digits than its factorization.

8718368481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50984636 (or 50984633 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 8718368481 is about 93372.2040063316. The cubic root of 8718368481 is about 2058.1565562151.

The spelling of 8718368481 in words is "eight billion, seven hundred eighteen million, three hundred sixty-eight thousand, four hundred eighty-one".