82690037190217 has 2 divisors, whose sum is σ = 82690037190218. Its totient is φ = 82690037190216.

The previous prime is 82690037190199. The next prime is 82690037190221. The reversal of 82690037190217 is 71209173009628.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73172096456761 + 9517940733456 = 8554069^2 + 3085116^2 .

It is a cyclic number.

It is not a de Polignac number, because 82690037190217 - 2¹⁵ = 82690037157449 is a prime.

It is not a weakly prime, because it can be changed into another prime (82690037190227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41345018595108 + 41345018595109.

It is an arithmetic number, because the mean of its divisors is an integer number (41345018595109).

Almost surely, 2^{82690037190217} is an apocalyptic number.

It is an amenable number.

82690037190217 is a deficient number, since it is larger than the sum of its proper divisors (1).

82690037190217 is an equidigital number, since it uses as much as digits as its factorization.

82690037190217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 82690037190217 in words is "eighty-two trillion, six hundred ninety billion, thirty-seven million, one hundred ninety thousand, two hundred seventeen".