776761385341 has 2 divisors, whose sum is σ = 776761385342. Its totient is φ = 776761385340.

The previous prime is 776761385299. The next prime is 776761385357. The reversal of 776761385341 is 143583167677.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616798183225 + 159963202116 = 785365^2 + 399954^2 .

It is a cyclic number.

It is not a de Polignac number, because 776761385341 - 2²⁵ = 776727830909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (776761385041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388380692670 + 388380692671.

It is an arithmetic number, because the mean of its divisors is an integer number (388380692671).

Almost surely, 2^776761385341 is an apocalyptic number.

It is an amenable number.

776761385341 is a deficient number, since it is larger than the sum of its proper divisors (1).

776761385341 is an equidigital number, since it uses as much as digits as its factorization.

776761385341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 58.

The spelling of 776761385341 in words is "seven hundred seventy-six billion, seven hundred sixty-one million, three hundred eighty-five thousand, three hundred forty-one".