677884 has 6 divisors (see below), whose sum is σ = 1186304. Its totient is φ = 338940.

The previous prime is 677857. The next prime is 677891. The reversal of 677884 is 488776.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84732 + ... + 84739.

2⁶⁷⁷⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

677884 is a deficient number, since it is larger than the sum of its proper divisors (508420).

677884 is a wasteful number, since it uses less digits than its factorization.

677884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169475 (or 169473 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 677884 is about 823.3371120021. The cubic root of 677884 is about 87.8452860059.

The spelling of 677884 in words is "six hundred seventy-seven thousand, eight hundred eighty-four".