678963 has 8 divisors (see below), whose sum is σ = 958608. Its totient is φ = 425984.

The previous prime is 678959. The next prime is 678971. The reversal of 678963 is 369876.

678963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 678963 - 2² = 678959 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (678943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6606 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (119826).

2⁶⁷⁸⁹⁶³ is an apocalyptic number.

678963 is a deficient number, since it is larger than the sum of its proper divisors (279645).

678963 is a wasteful number, since it uses less digits than its factorization.

678963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333.

The product of its digits is 54432, while the sum is 39.

The square root of 678963 is about 823.9921116127. The cubic root of 678963 is about 87.8918695992.

The spelling of 678963 in words is "six hundred seventy-eight thousand, nine hundred sixty-three".