84664668 has 36 divisors (see below), whose sum is σ = 217146440. Its totient is φ = 25655520.

The previous prime is 84664667. The next prime is 84664669. The reversal of 84664668 is 86646648.

It is an interprime number because it is at equal distance from previous prime (84664667) and next prime (84664669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84664663) 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 11 ways as a sum of consecutive naturals, for example, 27703 + ... + 30606.

Almost surely, 2^84664668 is an apocalyptic number.

It is an amenable number.

84664668 is an abundant number, since it is smaller than the sum of its proper divisors (132481772).

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

84664668 is a wasteful number, since it uses less digits than its factorization.

84664668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58338 (or 58325 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 84664668 is about 9201.3405545062. The cubic root of 84664668 is about 439.1040100308.

The spelling of 84664668 in words is "eighty-four million, six hundred sixty-four thousand, six hundred sixty-eight".