3278372738777 has 2 divisors, whose sum is σ = 3278372738778. Its totient is φ = 3278372738776.

The previous prime is 3278372738713. The next prime is 3278372738779. The reversal of 3278372738777 is 7778372738723.

3278372738777 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2446380656281 + 831992082496 = 1564091^2 + 912136^2 .

It is a cyclic number.

It is not a de Polignac number, because 3278372738777 - 2⁶ = 3278372738713 is a prime.

Together with 3278372738779, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3278372738777.

It is not a weakly prime, because it can be changed into another prime (3278372738779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639186369388 + 1639186369389.

It is an arithmetic number, because the mean of its divisors is an integer number (1639186369389).

Almost surely, 2^{3278372738777} is an apocalyptic number.

It is an amenable number.

3278372738777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3278372738777 is an equidigital number, since it uses as much as digits as its factorization.

3278372738777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 813189888, while the sum is 71.

The spelling of 3278372738777 in words is "three trillion, two hundred seventy-eight billion, three hundred seventy-two million, seven hundred thirty-eight thousand, seven hundred seventy-seven".