82327866877 has 2 divisors, whose sum is σ = 82327866878. Its totient is φ = 82327866876.

The previous prime is 82327866857. The next prime is 82327866893. The reversal of 82327866877 is 77866872328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75980717316 + 6347149561 = 275646^2 + 79669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82327866877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82327866857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41163933438 + 41163933439.

It is an arithmetic number, because the mean of its divisors is an integer number (41163933439).

Almost surely, 2^82327866877 is an apocalyptic number.

It is an amenable number.

82327866877 is a deficient number, since it is larger than the sum of its proper divisors (1).

82327866877 is an equidigital number, since it uses as much as digits as its factorization.

82327866877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75866112, while the sum is 64.

The spelling of 82327866877 in words is "eighty-two billion, three hundred twenty-seven million, eight hundred sixty-six thousand, eight hundred seventy-seven".