8700666418 has 16 divisors (see below), whose sum is σ = 13201367040. Its totient is φ = 4300477216.

The previous prime is 8700666413. The next prime is 8700666421. The reversal of 8700666418 is 8146660078.

It is a happy number.

It is a super-2 number, since 2×8700666418² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8700666413) 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 7 ways as a sum of consecutive naturals, for example, 946 + ... + 131917.

It is an arithmetic number, because the mean of its divisors is an integer number (825085440).

Almost surely, 2^8700666418 is an apocalyptic number.

8700666418 is a deficient number, since it is larger than the sum of its proper divisors (4500700622).

8700666418 is a wasteful number, since it uses less digits than its factorization.

8700666418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133241.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 8700666418 is about 93277.3628379362. The cubic root of 8700666418 is about 2056.7626293725.

The spelling of 8700666418 in words is "eight billion, seven hundred million, six hundred sixty-six thousand, four hundred eighteen".