85174268427653 has 2 divisors, whose sum is σ = 85174268427654. Its totient is φ = 85174268427652.

The previous prime is 85174268427509. The next prime is 85174268427673. The reversal of 85174268427653 is 35672486247158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79980235989889 + 5194032437764 = 8943167^2 + 2279042^2 .

It is a cyclic number.

It is not a de Polignac number, because 85174268427653 - 2⁸ = 85174268427397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85174268427673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42587134213826 + 42587134213827.

It is an arithmetic number, because the mean of its divisors is an integer number (42587134213827).

Almost surely, 2^{85174268427653} is an apocalyptic number.

It is an amenable number.

85174268427653 is a deficient number, since it is larger than the sum of its proper divisors (1).

85174268427653 is an equidigital number, since it uses as much as digits as its factorization.

85174268427653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 541900800, while the sum is 68.

The spelling of 85174268427653 in words is "eighty-five trillion, one hundred seventy-four billion, two hundred sixty-eight million, four hundred twenty-seven thousand, six hundred fifty-three".