82042080685 has 16 divisors (see below), whose sum is σ = 101855053440. Its totient is φ = 63364392000.

The previous prime is 82042080683. The next prime is 82042080709. The reversal of 82042080685 is 58608024028.

It is not a de Polignac number, because 82042080685 - 2¹ = 82042080683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82042080683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2046544 + ... + 2086246.

It is an arithmetic number, because the mean of its divisors is an integer number (6365940840).

Almost surely, 2^82042080685 is an apocalyptic number.

It is an amenable number.

82042080685 is a deficient number, since it is larger than the sum of its proper divisors (19812972755).

82042080685 is a wasteful number, since it uses less digits than its factorization.

82042080685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53988.

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 82042080685 in words is "eighty-two billion, forty-two million, eighty thousand, six hundred eighty-five".