785505482017 has 2 divisors, whose sum is σ = 785505482018. Its totient is φ = 785505482016.

The previous prime is 785505481997. The next prime is 785505482023. The reversal of 785505482017 is 710284505587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 551983617936 + 233521864081 = 742956^2 + 483241^2 .

It is a cyclic number.

It is not a de Polignac number, because 785505482017 - 2²⁷ = 785371264289 is a prime.

It is not a weakly prime, because it can be changed into another prime (785505482317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392752741008 + 392752741009.

It is an arithmetic number, because the mean of its divisors is an integer number (392752741009).

Almost surely, 2^785505482017 is an apocalyptic number.

It is an amenable number.

785505482017 is a deficient number, since it is larger than the sum of its proper divisors (1).

785505482017 is an equidigital number, since it uses as much as digits as its factorization.

785505482017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136000, while the sum is 52.

The spelling of 785505482017 in words is "seven hundred eighty-five billion, five hundred five million, four hundred eighty-two thousand, seventeen".