6816523677 has 8 divisors (see below), whose sum is σ = 9623327616. Its totient is φ = 4277034432.

The previous prime is 6816523667. The next prime is 6816523697. The reversal of 6816523677 is 7763256186.

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

It is not a de Polignac number, because 6816523677 - 2⁶ = 6816523613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 133657327 = 6816523677 / (6 + 8 + 1 + 6 + 5 + 2 + 3 + 6 + 7 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816523607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66828613 + ... + 66828714.

It is an arithmetic number, because the mean of its divisors is an integer number (1202915952).

Almost surely, 2^6816523677 is an apocalyptic number.

It is an amenable number.

6816523677 is a deficient number, since it is larger than the sum of its proper divisors (2806803939).

6816523677 is a wasteful number, since it uses less digits than its factorization.

6816523677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133657347.

The product of its digits is 2540160, while the sum is 51.

The square root of 6816523677 is about 82562.2412304802. The cubic root of 6816523677 is about 1896.0697776377.

The spelling of 6816523677 in words is "six billion, eight hundred sixteen million, five hundred twenty-three thousand, six hundred seventy-seven".