82000028 has 12 divisors (see below), whose sum is σ = 156545592. Its totient is φ = 37272720.

The previous prime is 81999997. The next prime is 82000031.

82000028 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 81999973 and 82000009.

It is a congruent number.

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, 931775 + ... + 931862.

It is an arithmetic number, because the mean of its divisors is an integer number (13045466).

Almost surely, 2^82000028 is an apocalyptic number.

It is an amenable number.

82000028 is a deficient number, since it is larger than the sum of its proper divisors (74545564).

82000028 is a wasteful number, since it uses less digits than its factorization.

82000028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863652 (or 1863650 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 82000028 is about 9055.3866841786. The cubic root of 82000028 is about 434.4481980262.

It can be divided in two parts, 820000 and 28, that added together give a palindrome (820028).

The spelling of 82000028 in words is "eighty-two million, twenty-eight", and thus it is an aban number and an uban number.