6477667 has 8 divisors (see below), whose sum is σ = 7642112. Its totient is φ = 5373000.

The previous prime is 6477641. The next prime is 6477671. The reversal of 6477667 is 7667746.

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

It is a cyclic number.

It is not a de Polignac number, because 6477667 - 2¹¹ = 6475619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6477637) by changing a digit.

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, 14709 + ... + 15142.

It is an arithmetic number, because the mean of its divisors is an integer number (955264).

Almost surely, 2^6477667 is an apocalyptic number.

6477667 is a deficient number, since it is larger than the sum of its proper divisors (1164445).

6477667 is a wasteful number, since it uses less digits than its factorization.

6477667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29889.

The product of its digits is 296352, while the sum is 43.

The square root of 6477667 is about 2545.1261265407. The cubic root of 6477667 is about 186.4115736795.

The spelling of 6477667 in words is "six million, four hundred seventy-seven thousand, six hundred sixty-seven".