6779380286616 has 64 divisors (see below), whose sum is σ = 19369850810880. Its totient is φ = 1936946511360.

The previous prime is 6779380286593. The next prime is 6779380286629. The reversal of 6779380286616 is 6166820839776.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33485805 + ... + 33687651.

It is an arithmetic number, because the mean of its divisors is an integer number (302653918920).

Almost surely, 2^{6779380286616} is an apocalyptic number.

It is an amenable number.

6779380286616 is an abundant number, since it is smaller than the sum of its proper divisors (12590470524264).

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

6779380286616 is a wasteful number, since it uses less digits than its factorization.

6779380286616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401784 (or 401780 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 69.

The spelling of 6779380286616 in words is "six trillion, seven hundred seventy-nine billion, three hundred eighty million, two hundred eighty-six thousand, six hundred sixteen".