85758317 has 2 divisors, whose sum is σ = 85758318. Its totient is φ = 85758316.

The previous prime is 85758313. The next prime is 85758331. The reversal of 85758317 is 71385758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85636516 + 121801 = 9254^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 85758317 - 2² = 85758313 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 (85758311) 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, 42879158 + 42879159.

It is an arithmetic number, because the mean of its divisors is an integer number (42879159).

Almost surely, 2^85758317 is an apocalyptic number.

It is an amenable number.

85758317 is a deficient number, since it is larger than the sum of its proper divisors (1).

85758317 is an equidigital number, since it uses as much as digits as its factorization.

85758317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 44.

The square root of 85758317 is about 9260.5786536263. The cubic root of 85758317 is about 440.9866238232.

The spelling of 85758317 in words is "eighty-five million, seven hundred fifty-eight thousand, three hundred seventeen".