677871 has 12 divisors (see below), whose sum is σ = 989560. Its totient is φ = 447120.

The previous prime is 677857. The next prime is 677891. The reversal of 677871 is 178776.

It is not a de Polignac number, because 677871 - 2¹¹ = 675823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636 + ... + 1326.

2⁶⁷⁷⁸⁷¹ is an apocalyptic number.

677871 is a deficient number, since it is larger than the sum of its proper divisors (311689).

677871 is a wasteful number, since it uses less digits than its factorization.

677871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 803 counting only the distinct ones).

The product of its digits is 16464, while the sum is 36.

The square root of 677871 is about 823.3292172637. The cubic root of 677871 is about 87.8447244565.

It can be divided in two parts, 6 and 77871, that added together give a palindrome (77877).

The spelling of 677871 in words is "six hundred seventy-seven thousand, eight hundred seventy-one".