677285 has 16 divisors (see below), whose sum is σ = 955776. Its totient is φ = 451008.

The previous prime is 677239. The next prime is 677309. The reversal of 677285 is 582776.

677285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 677285 - 2⁸ = 677029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034 + ... + 1556.

It is an arithmetic number, because the mean of its divisors is an integer number (59736).

2⁶⁷⁷²⁸⁵ is an apocalyptic number.

It is an amenable number.

677285 is a deficient number, since it is larger than the sum of its proper divisors (278491).

677285 is a wasteful number, since it uses less digits than its factorization.

677285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its digits is 23520, while the sum is 35.

The square root of 677285 is about 822.9732680956. The cubic root of 677285 is about 87.8194040789.

The spelling of 677285 in words is "six hundred seventy-seven thousand, two hundred eighty-five".