6771221776 has 20 divisors (see below), whose sum is σ = 14311900944. Its totient is φ = 3077828000.

The previous prime is 6771221759. The next prime is 6771221777.

6771221776 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6771221777) 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, 19236250 + ... + 19236601.

Almost surely, 2^6771221776 is an apocalyptic number.

It is an amenable number.

6771221776 is an abundant number, since it is smaller than the sum of its proper divisors (7540679168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6771221776 is a wasteful number, since it uses less digits than its factorization.

6771221776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38472870 (or 38472864 counting only the distinct ones).

The product of its digits is 345744, while the sum is 46.

The square root of 6771221776 is about 82287.4338887779. The cubic root of 6771221776 is about 1891.8600778245.

The spelling of 6771221776 in words is "six billion, seven hundred seventy-one million, two hundred twenty-one thousand, seven hundred seventy-six".