85009168 has 20 divisors (see below), whose sum is σ = 164889868. Its totient is φ = 42456960.

The previous prime is 85009159. The next prime is 85009187. The reversal of 85009168 is 86190058.

It can be written as a sum of positive squares in 2 ways, for example, as 81504784 + 3504384 = 9028^2 + 1872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15058 + ... + 19918.

Almost surely, 2^85009168 is an apocalyptic number.

It is an amenable number.

85009168 is a deficient number, since it is larger than the sum of its proper divisors (79880700).

85009168 is a wasteful number, since it uses less digits than its factorization.

85009168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962 (or 5956 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 85009168 is about 9220.0416484960. The cubic root of 85009168 is about 439.6987745434.

The spelling of 85009168 in words is "eighty-five million, nine thousand, one hundred sixty-eight".