677056 has 28 divisors (see below), whose sum is σ = 1371600. Its totient is φ = 331520.

The previous prime is 677041. The next prime is 677057. The reversal of 677056 is 650776.

It is not an unprimeable number, because it can be changed into a prime (677057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4470 + ... + 4618.

2⁶⁷⁷⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685800).

677056 is an abundant number, since it is smaller than the sum of its proper divisors (694544).

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

677056 is a wasteful number, since it uses less digits than its factorization.

677056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 677056 is about 822.8341266622. The cubic root of 677056 is about 87.8095052866.

The spelling of 677056 in words is "six hundred seventy-seven thousand, fifty-six".