82085011 has 2 divisors, whose sum is σ = 82085012. Its totient is φ = 82085010.

The previous prime is 82084987. The next prime is 82085039. The reversal of 82085011 is 11058028.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82085011 is a prime.

It is not a weakly prime, because it can be changed into another prime (82085041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41042505 + 41042506.

It is an arithmetic number, because the mean of its divisors is an integer number (41042506).

Almost surely, 2^82085011 is an apocalyptic number.

82085011 is a deficient number, since it is larger than the sum of its proper divisors (1).

82085011 is an equidigital number, since it uses as much as digits as its factorization.

82085011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 82085011 is about 9060.0778694225. The cubic root of 82085011 is about 434.5982303488.

The spelling of 82085011 in words is "eighty-two million, eighty-five thousand, eleven".