84664068 has 12 divisors (see below), whose sum is σ = 197549520. Its totient is φ = 28221352.

The previous prime is 84664051. The next prime is 84664087. The reversal of 84664068 is 86046648.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3527658 + ... + 3527681.

It is an arithmetic number, because the mean of its divisors is an integer number (16462460).

Almost surely, 2^84664068 is an apocalyptic number.

It is an amenable number.

84664068 is an abundant number, since it is smaller than the sum of its proper divisors (112885452).

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

84664068 is a wasteful number, since it uses less digits than its factorization.

84664068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055346 (or 7055344 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 84664068 is about 9201.3079505036. The cubic root of 84664068 is about 439.1029727503.

The spelling of 84664068 in words is "eighty-four million, six hundred sixty-four thousand, sixty-eight".