6477 has 8 divisors (see below), whose sum is σ = 9216. Its totient is φ = 4032.

The previous prime is 6473. The next prime is 6481. The reversal of 6477 is 7746.

It is an interprime number because it is at equal distance from previous prime (6473) and next prime (6481).

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

It is not a de Polignac number, because 6477 - 2² = 6473 is a prime.

Its product of digits (1176) is a multiple of the sum of its prime divisors (147).

6477 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 6477.

It is not an unprimeable number, because it can be changed into a prime (6473) 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 7 ways as a sum of consecutive naturals, for example, 13 + ... + 114.

It is an arithmetic number, because the mean of its divisors is an integer number (1152).

2⁶⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

6477 is a deficient number, since it is larger than the sum of its proper divisors (2739).

6477 is a wasteful number, since it uses less digits than its factorization.

6477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147.

The product of its digits is 1176, while the sum is 24.

The square root of 6477 is about 80.4798111330. The cubic root of 6477 is about 18.6405175245.

It can be divided in two parts, 64 and 77, that added together give a palindrome (141).

The spelling of 6477 in words is "six thousand, four hundred seventy-seven".