82782785297 has 2 divisors, whose sum is σ = 82782785298. Its totient is φ = 82782785296.

The previous prime is 82782785269. The next prime is 82782785311. The reversal of 82782785297 is 79258728728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81002282881 + 1780502416 = 284609^2 + 42196^2 .

It is a cyclic number.

It is not a de Polignac number, because 82782785297 - 2³⁰ = 81709043473 is a prime.

It is not a weakly prime, because it can be changed into another prime (82782785207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41391392648 + 41391392649.

It is an arithmetic number, because the mean of its divisors is an integer number (41391392649).

Almost surely, 2^82782785297 is an apocalyptic number.

It is an amenable number.

82782785297 is a deficient number, since it is larger than the sum of its proper divisors (1).

82782785297 is an equidigital number, since it uses as much as digits as its factorization.

82782785297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63221760, while the sum is 65.

The spelling of 82782785297 in words is "eighty-two billion, seven hundred eighty-two million, seven hundred eighty-five thousand, two hundred ninety-seven".