84488417372717 has 2 divisors, whose sum is σ = 84488417372718. Its totient is φ = 84488417372716.

The previous prime is 84488417372707. The next prime is 84488417372719. The reversal of 84488417372717 is 71727371488448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55893955203076 + 28594462169641 = 7476226^2 + 5347379^2 .

It is a cyclic number.

It is not a de Polignac number, because 84488417372717 - 2¹⁴ = 84488417356333 is a prime.

Together with 84488417372719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84488417372719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42244208686358 + 42244208686359.

It is an arithmetic number, because the mean of its divisors is an integer number (42244208686359).

Almost surely, 2^{84488417372717} is an apocalyptic number.

It is an amenable number.

84488417372717 is a deficient number, since it is larger than the sum of its proper divisors (1).

84488417372717 is an equidigital number, since it uses as much as digits as its factorization.

84488417372717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472055808, while the sum is 71.

The spelling of 84488417372717 in words is "eighty-four trillion, four hundred eighty-eight billion, four hundred seventeen million, three hundred seventy-two thousand, seven hundred seventeen".