776260013 has 2 divisors, whose sum is σ = 776260014. Its totient is φ = 776260012.

The previous prime is 776260007. The next prime is 776260021. The reversal of 776260013 is 310062677.

776260013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393744649 + 382515364 = 19843^2 + 19558^2 .

It is a cyclic number.

It is not a de Polignac number, because 776260013 - 2⁴ = 776259997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (776260033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388130006 + 388130007.

It is an arithmetic number, because the mean of its divisors is an integer number (388130007).

Almost surely, 2^776260013 is an apocalyptic number.

It is an amenable number.

776260013 is a deficient number, since it is larger than the sum of its proper divisors (1).

776260013 is an equidigital number, since it uses as much as digits as its factorization.

776260013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 776260013 is about 27861.4431248634. The cubic root of 776260013 is about 919.0428028877.

The spelling of 776260013 in words is "seven hundred seventy-six million, two hundred sixty thousand, thirteen".