6816765404 has 96 divisors (see below), whose sum is σ = 12999645120. Its totient is φ = 3121348608.

The previous prime is 6816765359. The next prime is 6816765407. The reversal of 6816765404 is 4045676186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816765407) 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 31 ways as a sum of consecutive naturals, for example, 35319932 + ... + 35320124.

It is an arithmetic number, because the mean of its divisors is an integer number (135412970).

Almost surely, 2^6816765404 is an apocalyptic number.

It is an amenable number.

6816765404 is a deficient number, since it is larger than the sum of its proper divisors (6182879716).

6816765404 is a wasteful number, since it uses less digits than its factorization.

6816765404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 6816765404 is about 82563.7051251941. The cubic root of 6816765404 is about 1896.0921901294.

The spelling of 6816765404 in words is "six billion, eight hundred sixteen million, seven hundred sixty-five thousand, four hundred four".