678410180 has 48 divisors (see below), whose sum is σ = 1635021696. Its totient is φ = 231621120.

The previous prime is 678410167. The next prime is 678410203. The reversal of 678410180 is 81014876.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 678410180.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23687 + ... + 43793.

It is an arithmetic number, because the mean of its divisors is an integer number (34062952).

Almost surely, 2^678410180 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 678410180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817510848).

678410180 is an abundant number, since it is smaller than the sum of its proper divisors (956611516).

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

678410180 is a wasteful number, since it uses less digits than its factorization.

678410180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364 (or 20362 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 678410180 is about 26046.3083756605. The cubic root of 678410180 is about 878.6800890945.

The spelling of 678410180 in words is "six hundred seventy-eight million, four hundred ten thousand, one hundred eighty".