82766085739 has 2 divisors, whose sum is σ = 82766085740. Its totient is φ = 82766085738.

The previous prime is 82766085667. The next prime is 82766085749. The reversal of 82766085739 is 93758066728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82766085739 - 2¹¹ = 82766083691 is a prime.

It is a super-2 number, since 2×82766085739² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82766085749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41383042869 + 41383042870.

It is an arithmetic number, because the mean of its divisors is an integer number (41383042870).

Almost surely, 2^82766085739 is an apocalyptic number.

82766085739 is a deficient number, since it is larger than the sum of its proper divisors (1).

82766085739 is an equidigital number, since it uses as much as digits as its factorization.

82766085739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 82766085739 in words is "eighty-two billion, seven hundred sixty-six million, eighty-five thousand, seven hundred thirty-nine".