6776784000000 has 2156 divisors, whose sum is σ = 29365118496672. Its totient is φ = 1530316800000.

The previous prime is 6776783999983. The next prime is 6776784000011. The reversal of 6776784000000 is 4876776.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6776784000000.

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 195 ways as a sum of consecutive naturals, for example, 81647999959 + ... + 81648000041.

Almost surely, 2^{6776784000000} is an apocalyptic number.

6776784000000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6776784000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14682559248336).

6776784000000 is an abundant number, since it is smaller than the sum of its proper divisors (22588334496672).

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

6776784000000 is an frugal number, since it uses more digits than its factorization.

6776784000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

Adding to 6776784000000 its reverse (4876776), we get a palindrome (6776788876776).

The spelling of 6776784000000 in words is "six trillion, seven hundred seventy-six billion, seven hundred eighty-four million", and thus it is an aban number.