85178168 has 16 divisors (see below), whose sum is σ = 160469160. Its totient is φ = 42386400.

The previous prime is 85178167. The next prime is 85178221. The reversal of 85178168 is 86187158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85178161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23543 + ... + 26918.

Almost surely, 2^85178168 is an apocalyptic number.

It is an amenable number.

85178168 is a deficient number, since it is larger than the sum of its proper divisors (75290992).

85178168 is a wasteful number, since it uses less digits than its factorization.

85178168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50678 (or 50674 counting only the distinct ones).

The product of its digits is 107520, while the sum is 44.

The square root of 85178168 is about 9229.2019156588. The cubic root of 85178168 is about 439.9899584485.

The spelling of 85178168 in words is "eighty-five million, one hundred seventy-eight thousand, one hundred sixty-eight".