84518668 has 12 divisors (see below), whose sum is σ = 159285280. Its totient is φ = 39008592.

The previous prime is 84518663. The next prime is 84518677. The reversal of 84518668 is 86681548.

It is not an unprimeable number, because it can be changed into a prime (84518663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812628 + ... + 812731.

Almost surely, 2^84518668 is an apocalyptic number.

It is an amenable number.

84518668 is a deficient number, since it is larger than the sum of its proper divisors (74766612).

84518668 is a wasteful number, since it uses less digits than its factorization.

84518668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625376 (or 1625374 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 84518668 is about 9193.4035046875. The cubic root of 84518668 is about 438.8514604791.

The spelling of 84518668 in words is "eighty-four million, five hundred eighteen thousand, six hundred sixty-eight".