85259673 has 6 divisors (see below), whose sum is σ = 123152874. Its totient is φ = 56839776.

The previous prime is 85259659. The next prime is 85259687. The reversal of 85259673 is 37695258.

It is a happy number.

85259673 is a `hidden beast` number, since 8 + 52 + 596 + 7 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (85259659) and next prime (85259687).

It can be written as a sum of positive squares in only one way, i.e., 76947984 + 8311689 = 8772^2 + 2883^2 .

It is not a de Polignac number, because 85259673 - 2⁶ = 85259609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85257673) 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, 4736640 + ... + 4736657.

It is an arithmetic number, because the mean of its divisors is an integer number (20525479).

Almost surely, 2^85259673 is an apocalyptic number.

It is an amenable number.

85259673 is a deficient number, since it is larger than the sum of its proper divisors (37893201).

85259673 is a wasteful number, since it uses less digits than its factorization.

85259673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473303 (or 9473300 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 85259673 is about 9233.6164637698. The cubic root of 85259673 is about 440.1302524158.

The spelling of 85259673 in words is "eighty-five million, two hundred fifty-nine thousand, six hundred seventy-three".