677755 has 8 divisors (see below), whose sum is σ = 875952. Its totient is φ = 500448.

The previous prime is 677737. The next prime is 677767. The reversal of 677755 is 557776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 677755 - 2⁷ = 677627 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 5149 + ... + 5278.

It is an arithmetic number, because the mean of its divisors is an integer number (109494).

2⁶⁷⁷⁷⁵⁵ is an apocalyptic number.

677755 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

677755 is a deficient number, since it is larger than the sum of its proper divisors (198197).

677755 is a wasteful number, since it uses less digits than its factorization.

677755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10445.

The product of its digits is 51450, while the sum is 37.

The square root of 677755 is about 823.2587685534. The cubic root of 677755 is about 87.8397133903.

The spelling of 677755 in words is "six hundred seventy-seven thousand, seven hundred fifty-five".