677868 has 12 divisors (see below), whose sum is σ = 1581720. Its totient is φ = 225952.

The previous prime is 677857. The next prime is 677891. The reversal of 677868 is 868776.

677868 is nontrivially palindromic in base 11.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28233 + ... + 28256.

It is an arithmetic number, because the mean of its divisors is an integer number (131810).

2⁶⁷⁷⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

677868 is an abundant number, since it is smaller than the sum of its proper divisors (903852).

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

677868 is a wasteful number, since it uses less digits than its factorization.

677868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56496 (or 56494 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 677868 is about 823.3273953902. The cubic root of 677868 is about 87.8445948672.

The spelling of 677868 in words is "six hundred seventy-seven thousand, eight hundred sixty-eight".