677662 has 8 divisors (see below), whose sum is σ = 1029600. Its totient is φ = 334464.

The previous prime is 677657. The next prime is 677681. The reversal of 677662 is 266776.

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

It is a d-powerful number, because it can be written as 6 + 7 + 6⁷ + 7⁶ + 6⁷ + 2⁷ .

It is a congruent number.

It is an unprimeable number.

677662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (128700).

2⁶⁷⁷⁶⁶² is an apocalyptic number.

677662 is a deficient number, since it is larger than the sum of its proper divisors (351938).

677662 is a wasteful number, since it uses less digits than its factorization.

677662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370.

The product of its digits is 21168, while the sum is 34.

The square root of 677662 is about 823.2022837675. The cubic root of 677662 is about 87.8356954846.

The spelling of 677662 in words is "six hundred seventy-seven thousand, six hundred sixty-two".