82066028 has 12 divisors (see below), whose sum is σ = 156671592. Its totient is φ = 37302720.

The previous prime is 82066013. The next prime is 82066081.

It is a happy number.

82066028 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 82065985 and 82066003.

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, 932525 + ... + 932612.

It is an arithmetic number, because the mean of its divisors is an integer number (13055966).

Almost surely, 2^82066028 is an apocalyptic number.

It is an amenable number.

82066028 is a deficient number, since it is larger than the sum of its proper divisors (74605564).

82066028 is a wasteful number, since it uses less digits than its factorization.

82066028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865152 (or 1865150 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 82066028 is about 9059.0301909200. The cubic root of 82066028 is about 434.5647260011.

The spelling of 82066028 in words is "eighty-two million, sixty-six thousand, twenty-eight".