85486117 has 2 divisors, whose sum is σ = 85486118. Its totient is φ = 85486116.

The previous prime is 85486087. The next prime is 85486151. The reversal of 85486117 is 71168458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58767556 + 26718561 = 7666^2 + 5169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85486117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85486117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85486717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42743058 + 42743059.

It is an arithmetic number, because the mean of its divisors is an integer number (42743059).

Almost surely, 2^85486117 is an apocalyptic number.

It is an amenable number.

85486117 is a deficient number, since it is larger than the sum of its proper divisors (1).

85486117 is an equidigital number, since it uses as much as digits as its factorization.

85486117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 40.

The square root of 85486117 is about 9245.8702673139. The cubic root of 85486117 is about 440.5195601503.

The spelling of 85486117 in words is "eighty-five million, four hundred eighty-six thousand, one hundred seventeen".