84066680 has 16 divisors (see below), whose sum is σ = 189150120. Its totient is φ = 33626656.

The previous prime is 84066673. The next prime is 84066707. The reversal of 84066680 is 8666048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050794 + ... + 1050873.

Almost surely, 2^84066680 is an apocalyptic number.

It is an amenable number.

84066680 is an abundant number, since it is smaller than the sum of its proper divisors (105083440).

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

84066680 is a wasteful number, since it uses less digits than its factorization.

84066680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101678 (or 2101674 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 84066680 is about 9168.7883605196. The cubic root of 84066680 is about 438.0677668059.

The spelling of 84066680 in words is "eighty-four million, sixty-six thousand, six hundred eighty".