775963 has 2 divisors, whose sum is σ = 775964. Its totient is φ = 775962.

The previous prime is 775949. The next prime is 775987. The reversal of 775963 is 369577.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 775963 - 2⁹ = 775451 is a prime.

775963 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (775933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387981 + 387982.

It is an arithmetic number, because the mean of its divisors is an integer number (387982).

2⁷⁷⁵⁹⁶³ is an apocalyptic number.

775963 is a deficient number, since it is larger than the sum of its proper divisors (1).

775963 is an equidigital number, since it uses as much as digits as its factorization.

775963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 37.

The square root of 775963 is about 880.8876205283. The cubic root of 775963 is about 91.8925573060.

The spelling of 775963 in words is "seven hundred seventy-five thousand, nine hundred sixty-three".