6776380661803 has 8 divisors (see below), whose sum is σ = 6811228760576. Its totient is φ = 6741604938600.

The previous prime is 6776380661789. The next prime is 6776380661819. The reversal of 6776380661803 is 3081660836776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6776380661803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6776380661203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17906151 + ... + 18280672.

It is an arithmetic number, because the mean of its divisors is an integer number (851403595072).

Almost surely, 2^{6776380661803} is an apocalyptic number.

6776380661803 is a deficient number, since it is larger than the sum of its proper divisors (34848098773).

6776380661803 is a wasteful number, since it uses less digits than its factorization.

6776380661803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36187785.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 6776380661803 in words is "six trillion, seven hundred seventy-six billion, three hundred eighty million, six hundred sixty-one thousand, eight hundred three".