678116 has 12 divisors (see below), whose sum is σ = 1212288. Its totient is φ = 331752.

The previous prime is 678103. The next prime is 678133. The reversal of 678116 is 611876.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

678116 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (101024).

2⁶⁷⁸¹¹⁶ is an apocalyptic number.

It is an amenable number.

678116 is a deficient number, since it is larger than the sum of its proper divisors (534172).

678116 is a wasteful number, since it uses less digits than its factorization.

678116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3656 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 678116 is about 823.4779899912. The cubic root of 678116 is about 87.8553062954.

The spelling of 678116 in words is "six hundred seventy-eight thousand, one hundred sixteen".