6677865 has 24 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 3445920.

The previous prime is 6677861. The next prime is 6677887. The reversal of 6677865 is 5687766.

It is not a de Polignac number, because 6677865 - 2² = 6677861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6677865.

It is not an unprimeable number, because it can be changed into a prime (6677861) 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 23 ways as a sum of consecutive naturals, for example, 999 + ... + 3788.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^6677865 is an apocalyptic number.

It is an amenable number.

6677865 is a deficient number, since it is larger than the sum of its proper divisors (5272983).

6677865 is a wasteful number, since it uses less digits than its factorization.

6677865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829 (or 4826 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 6677865 is about 2584.1565355063. The cubic root of 6677865 is about 188.3125271783.

Subtracting from 6677865 its reverse (5687766), we obtain a palindrome (990099).

The spelling of 6677865 in words is "six million, six hundred seventy-seven thousand, eight hundred sixty-five".