7764680741 has 2 divisors, whose sum is σ = 7764680742. Its totient is φ = 7764680740.

The previous prime is 7764680717. The next prime is 7764680747. The reversal of 7764680741 is 1470864677.

7764680741 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., 6831683716 + 932997025 = 82654^2 + 30545^2 .

It is an emirp because it is prime and its reverse (1470864677) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7764680741 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7764680741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7764680747) by changing a digit.

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 as a sum of consecutive naturals, namely, 3882340370 + 3882340371.

It is an arithmetic number, because the mean of its divisors is an integer number (3882340371).

Almost surely, 2^7764680741 is an apocalyptic number.

It is an amenable number.

7764680741 is a deficient number, since it is larger than the sum of its proper divisors (1).

7764680741 is an equidigital number, since it uses as much as digits as its factorization.

7764680741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 7764680741 is about 88117.4258645814. The cubic root of 7764680741 is about 1980.1945818532.

The spelling of 7764680741 in words is "seven billion, seven hundred sixty-four million, six hundred eighty thousand, seven hundred forty-one".