678108 has 12 divisors (see below), whose sum is σ = 1582280. Its totient is φ = 226032.

The previous prime is 678103. The next prime is 678133. The reversal of 678108 is 801876.

678108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678101) 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, 28243 + ... + 28266.

2⁶⁷⁸¹⁰⁸ is an apocalyptic number.

It is an amenable number.

678108 is an abundant number, since it is smaller than the sum of its proper divisors (904172).

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

678108 is a wasteful number, since it uses less digits than its factorization.

678108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56516 (or 56514 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 678108 is about 823.4731325307. The cubic root of 678108 is about 87.8549608062.

The spelling of 678108 in words is "six hundred seventy-eight thousand, one hundred eight".