85417063793 has 2 divisors, whose sum is σ = 85417063794. Its totient is φ = 85417063792.

The previous prime is 85417063733. The next prime is 85417063807. The reversal of 85417063793 is 39736071458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51969409024 + 33447654769 = 227968^2 + 182887^2 .

It is a cyclic number.

It is not a de Polignac number, because 85417063793 - 2¹⁰ = 85417062769 is a prime.

It is not a weakly prime, because it can be changed into another prime (85417063723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42708531896 + 42708531897.

It is an arithmetic number, because the mean of its divisors is an integer number (42708531897).

Almost surely, 2^85417063793 is an apocalyptic number.

It is an amenable number.

85417063793 is a deficient number, since it is larger than the sum of its proper divisors (1).

85417063793 is an equidigital number, since it uses as much as digits as its factorization.

85417063793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 85417063793 in words is "eighty-five billion, four hundred seventeen million, sixty-three thousand, seven hundred ninety-three".