85268178 has 48 divisors (see below), whose sum is σ = 192067200. Its totient is φ = 27306720.

The previous prime is 85268177. The next prime is 85268191. The reversal of 85268178 is 87186258.

It is not an unprimeable number, because it can be changed into a prime (85268171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197623 + ... + 198053.

It is an arithmetic number, because the mean of its divisors is an integer number (4001400).

Almost surely, 2^85268178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85268178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96033600).

85268178 is an abundant number, since it is smaller than the sum of its proper divisors (106799022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85268178 is a wasteful number, since it uses less digits than its factorization.

85268178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 844 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 85268178 is about 9234.0769977297. The cubic root of 85268178 is about 440.1448868582.

The spelling of 85268178 in words is "eighty-five million, two hundred sixty-eight thousand, one hundred seventy-eight".