85348117 has 2 divisors, whose sum is σ = 85348118. Its totient is φ = 85348116.

The previous prime is 85348097. The next prime is 85348127. The reversal of 85348117 is 71184358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83064996 + 2283121 = 9114^2 + 1511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85348117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85348127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42674058 + 42674059.

It is an arithmetic number, because the mean of its divisors is an integer number (42674059).

Almost surely, 2^85348117 is an apocalyptic number.

It is an amenable number.

85348117 is a deficient number, since it is larger than the sum of its proper divisors (1).

85348117 is an equidigital number, since it uses as much as digits as its factorization.

85348117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 37.

The square root of 85348117 is about 9238.4044618105. The cubic root of 85348117 is about 440.2823893178.

The spelling of 85348117 in words is "eighty-five million, three hundred forty-eight thousand, one hundred seventeen".