85318673 has 6 divisors (see below), whose sum is σ = 93780162. Its totient is φ = 77562320.

The previous prime is 85318669. The next prime is 85318679. The reversal of 85318673 is 37681358.

It can be written as a sum of positive squares in only one way, i.e., 72301009 + 13017664 = 8503^2 + 3608^2 .

It is not a de Polignac number, because 85318673 - 2² = 85318669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85318673.

It is not an unprimeable number, because it can be changed into a prime (85318679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352436 + ... + 352677.

It is an arithmetic number, because the mean of its divisors is an integer number (15630027).

Almost surely, 2^85318673 is an apocalyptic number.

It is an amenable number.

85318673 is a deficient number, since it is larger than the sum of its proper divisors (8461489).

85318673 is a wasteful number, since it uses less digits than its factorization.

85318673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705135 (or 705124 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 85318673 is about 9236.8107591311. The cubic root of 85318673 is about 440.2317529117.

The spelling of 85318673 in words is "eighty-five million, three hundred eighteen thousand, six hundred seventy-three".