776465867 has 2 divisors, whose sum is σ = 776465868. Its totient is φ = 776465866.

The previous prime is 776465849. The next prime is 776465873. The reversal of 776465867 is 768564677.

It is a strong prime.

It is an emirp because it is prime and its reverse (768564677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 776465867 - 2⁸ = 776465611 is a prime.

It is not a weakly prime, because it can be changed into another prime (776465567) by changing a digit.

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 as a sum of consecutive naturals, namely, 388232933 + 388232934.

It is an arithmetic number, because the mean of its divisors is an integer number (388232934).

Almost surely, 2^776465867 is an apocalyptic number.

776465867 is a deficient number, since it is larger than the sum of its proper divisors (1).

776465867 is an equidigital number, since it uses as much as digits as its factorization.

776465867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080, while the sum is 56.

The square root of 776465867 is about 27865.1371250888. The cubic root of 776465867 is about 919.1240350835.

The spelling of 776465867 in words is "seven hundred seventy-six million, four hundred sixty-five thousand, eight hundred sixty-seven".