6777440366 has 16 divisors (see below), whose sum is σ = 10266168528. Its totient is φ = 3355497600.

The previous prime is 6777440359. The next prime is 6777440381. The reversal of 6777440366 is 6630447776.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 92726 + ... + 148838.

It is an arithmetic number, because the mean of its divisors is an integer number (641635533).

Almost surely, 2^6777440366 is an apocalyptic number.

6777440366 is a deficient number, since it is larger than the sum of its proper divisors (3488728162).

6777440366 is a wasteful number, since it uses less digits than its factorization.

6777440366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56707.

The product of its (nonzero) digits is 3556224, while the sum is 50.

The square root of 6777440366 is about 82325.2109988186. The cubic root of 6777440366 is about 1892.4390527312.

The spelling of 6777440366 in words is "six billion, seven hundred seventy-seven million, four hundred forty thousand, three hundred sixty-six".