85885027117 has 2 divisors, whose sum is σ = 85885027118. Its totient is φ = 85885027116.

The previous prime is 85885027091. The next prime is 85885027121. The reversal of 85885027117 is 71172058858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84649574916 + 1235452201 = 290946^2 + 35149^2 .

It is a cyclic number.

It is not a de Polignac number, because 85885027117 - 2⁷ = 85885026989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85885027177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42942513558 + 42942513559.

It is an arithmetic number, because the mean of its divisors is an integer number (42942513559).

Almost surely, 2^85885027117 is an apocalyptic number.

It is an amenable number.

85885027117 is a deficient number, since it is larger than the sum of its proper divisors (1).

85885027117 is an equidigital number, since it uses as much as digits as its factorization.

85885027117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1254400, while the sum is 52.

The spelling of 85885027117 in words is "eighty-five billion, eight hundred eighty-five million, twenty-seven thousand, one hundred seventeen".