85008245787653 has 2 divisors, whose sum is σ = 85008245787654. Its totient is φ = 85008245787652.

The previous prime is 85008245787571. The next prime is 85008245787659. The reversal of 85008245787653 is 35678754280058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80144624236609 + 4863621551044 = 8952353^2 + 2205362^2 .

It is a cyclic number.

It is not a de Polignac number, because 85008245787653 - 2³² = 85003950820357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85008245787659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42504122893826 + 42504122893827.

It is an arithmetic number, because the mean of its divisors is an integer number (42504122893827).

Almost surely, 2^{85008245787653} is an apocalyptic number.

It is an amenable number.

85008245787653 is a deficient number, since it is larger than the sum of its proper divisors (1).

85008245787653 is an equidigital number, since it uses as much as digits as its factorization.

85008245787653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584000, while the sum is 68.

The spelling of 85008245787653 in words is "eighty-five trillion, eight billion, two hundred forty-five million, seven hundred eighty-seven thousand, six hundred fifty-three".