82000011 has 8 divisors (see below), whose sum is σ = 111876160. Its totient is φ = 53395272.

The previous prime is 81999997. The next prime is 82000031. The reversal of 82000011 is 11000028.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82000011 - 2⁹ = 81999499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82000031) 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 7 ways as a sum of consecutive naturals, for example, 317701 + ... + 317958.

It is an arithmetic number, because the mean of its divisors is an integer number (13984520).

Almost surely, 2^82000011 is an apocalyptic number.

82000011 is a deficient number, since it is larger than the sum of its proper divisors (29876149).

82000011 is a wasteful number, since it uses less digits than its factorization.

82000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635705.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 82000011 is about 9055.3857455108. The cubic root of 82000011 is about 434.4481680034.

Adding to 82000011 its reverse (11000028), we get a palindrome (93000039).

The spelling of 82000011 in words is "eighty-two million, eleven", and thus it is an aban number and an uban number.