85225058784617 has 2 divisors, whose sum is σ = 85225058784618. Its totient is φ = 85225058784616.

The previous prime is 85225058784583. The next prime is 85225058784643. The reversal of 85225058784617 is 71648785052258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85056424540816 + 168634243801 = 9222604^2 + 410651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85225058784617 is a prime.

It is not a weakly prime, because it can be changed into another prime (85225058774617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42612529392308 + 42612529392309.

It is an arithmetic number, because the mean of its divisors is an integer number (42612529392309).

Almost surely, 2^{85225058784617} is an apocalyptic number.

It is an amenable number.

85225058784617 is a deficient number, since it is larger than the sum of its proper divisors (1).

85225058784617 is an equidigital number, since it uses as much as digits as its factorization.

85225058784617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056000, while the sum is 68.

The spelling of 85225058784617 in words is "eighty-five trillion, two hundred twenty-five billion, fifty-eight million, seven hundred eighty-four thousand, six hundred seventeen".