178064868 has 96 divisors (see below), whose sum is σ = 467002368. Its totient is φ = 52531200.

The previous prime is 178064867. The next prime is 178064911. The reversal of 178064868 is 868460871.

178064868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (178064863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233608 + ... + 234368.

It is an arithmetic number, because the mean of its divisors is an integer number (4864608).

Almost surely, 2^178064868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 178064868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233501184).

178064868 is an abundant number, since it is smaller than the sum of its proper divisors (288937500).

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

178064868 is a wasteful number, since it uses less digits than its factorization.

178064868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 178064868 is about 13344.0948737635. The cubic root of 178064868 is about 562.5909573406.

The spelling of 178064868 in words is "one hundred seventy-eight million, sixty-four thousand, eight hundred sixty-eight".