85247867753 has 2 divisors, whose sum is σ = 85247867754. Its totient is φ = 85247867752.

The previous prime is 85247867729. The next prime is 85247867773. The reversal of 85247867753 is 35776874258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46921191769 + 38326675984 = 216613^2 + 195772^2 .

It is a cyclic number.

It is not a de Polignac number, because 85247867753 - 2¹⁰ = 85247866729 is a prime.

It is not a weakly prime, because it can be changed into another prime (85247867723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42623933876 + 42623933877.

It is an arithmetic number, because the mean of its divisors is an integer number (42623933877).

Almost surely, 2^85247867753 is an apocalyptic number.

It is an amenable number.

85247867753 is a deficient number, since it is larger than the sum of its proper divisors (1).

85247867753 is an equidigital number, since it uses as much as digits as its factorization.

85247867753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79027200, while the sum is 62.

The spelling of 85247867753 in words is "eighty-five billion, two hundred forty-seven million, eight hundred sixty-seven thousand, seven hundred fifty-three".