6877813 has 4 divisors (see below), whose sum is σ = 6893920. Its totient is φ = 6861708.

The previous prime is 6877799. The next prime is 6877817. The reversal of 6877813 is 3187786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6877813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6877817) 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 3 ways as a sum of consecutive naturals, for example, 7395 + ... + 8272.

It is an arithmetic number, because the mean of its divisors is an integer number (1723480).

Almost surely, 2^6877813 is an apocalyptic number.

It is an amenable number.

6877813 is a deficient number, since it is larger than the sum of its proper divisors (16107).

6877813 is a wasteful number, since it uses less digits than its factorization.

6877813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106.

The product of its digits is 56448, while the sum is 40.

The square root of 6877813 is about 2622.5584836186. The cubic root of 6877813 is about 190.1735533328.

The spelling of 6877813 in words is "six million, eight hundred seventy-seven thousand, eight hundred thirteen".