776394343 has 2 divisors, whose sum is σ = 776394344. Its totient is φ = 776394342.

The previous prime is 776394341. The next prime is 776394431. The reversal of 776394343 is 343493677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 776394343 - 2¹ = 776394341 is a prime.

Together with 776394341, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 776394293 and 776394302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (776394341) 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, 388197171 + 388197172.

It is an arithmetic number, because the mean of its divisors is an integer number (388197172).

Almost surely, 2^776394343 is an apocalyptic number.

776394343 is a deficient number, since it is larger than the sum of its proper divisors (1).

776394343 is an equidigital number, since it uses as much as digits as its factorization.

776394343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 46.

The square root of 776394343 is about 27863.8536997308. The cubic root of 776394343 is about 919.0958125739.

The spelling of 776394343 in words is "seven hundred seventy-six million, three hundred ninety-four thousand, three hundred forty-three".