6778326804484 has 9 divisors (see below), whose sum is σ = 11862081020181. Its totient is φ = 3389160798720.

The previous prime is 6778326804463. The next prime is 6778326804503. The reversal of 6778326804484 is 4844086238776.

The square root of 6778326804484 is 2603522.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 151615226884 + 6626711577600 = 389378^2 + 2574240^2 .

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 4556164 + ... + 5857924.

Almost surely, 2^{6778326804484} is an apocalyptic number.

6778326804484 is the 2603522-nd square number.

It is an amenable number.

6778326804484 is a deficient number, since it is larger than the sum of its proper divisors (5083754215697).

6778326804484 is an frugal number, since it uses more digits than its factorization.

6778326804484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603526 (or 1301763 counting only the distinct ones).

The product of its (nonzero) digits is 346816512, while the sum is 67.

The spelling of 6778326804484 in words is "six trillion, seven hundred seventy-eight billion, three hundred twenty-six million, eight hundred four thousand, four hundred eighty-four".