6800773661 has 12 divisors (see below), whose sum is σ = 7649078976. Its totient is φ = 6038737320.

The previous prime is 6800773627. The next prime is 6800773667. The reversal of 6800773661 is 1663770086.

It is a happy number.

It is not a de Polignac number, because 6800773661 - 2⁶ = 6800773597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6800773667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648341 + ... + 658746.

It is an arithmetic number, because the mean of its divisors is an integer number (637423248).

Almost surely, 2^6800773661 is an apocalyptic number.

It is an amenable number.

6800773661 is a deficient number, since it is larger than the sum of its proper divisors (848305315).

6800773661 is a wasteful number, since it uses less digits than its factorization.

6800773661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307152 (or 1307141 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 6800773661 is about 82466.8033877875. The cubic root of 6800773661 is about 1894.6083211071.

The spelling of 6800773661 in words is "six billion, eight hundred million, seven hundred seventy-three thousand, six hundred sixty-one".