6677806 has 4 divisors (see below), whose sum is σ = 10016712. Its totient is φ = 3338902.

The previous prime is 6677789. The next prime is 6677809. The reversal of 6677806 is 6087766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6087766 = 2 ⋅3043883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6677809) 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 as a sum of consecutive naturals, namely, 1669450 + ... + 1669453.

It is an arithmetic number, because the mean of its divisors is an integer number (2504178).

Almost surely, 2^6677806 is an apocalyptic number.

6677806 is a deficient number, since it is larger than the sum of its proper divisors (3338906).

6677806 is a wasteful number, since it uses less digits than its factorization.

6677806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338905.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 6677806 is about 2584.1451197640. The cubic root of 6677806 is about 188.3119725863.

Subtracting from 6677806 its sum of digits (40), we obtain a palindrome (6677766).

The spelling of 6677806 in words is "six million, six hundred seventy-seven thousand, eight hundred six".