82517559677783 has 2 divisors, whose sum is σ = 82517559677784. Its totient is φ = 82517559677782.

The previous prime is 82517559677779. The next prime is 82517559677933. The reversal of 82517559677783 is 38777695571528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82517559677783 - 2² = 82517559677779 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 82517559677698 and 82517559677707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82517559677083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41258779838891 + 41258779838892.

It is an arithmetic number, because the mean of its divisors is an integer number (41258779838892).

Almost surely, 2^{82517559677783} is an apocalyptic number.

82517559677783 is a deficient number, since it is larger than the sum of its proper divisors (1).

82517559677783 is an equidigital number, since it uses as much as digits as its factorization.

82517559677783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6223392000, while the sum is 80.

The spelling of 82517559677783 in words is "eighty-two trillion, five hundred seventeen billion, five hundred fifty-nine million, six hundred seventy-seven thousand, seven hundred eighty-three".