773803873 has 2 divisors, whose sum is σ = 773803874. Its totient is φ = 773803872.

The previous prime is 773803871. The next prime is 773803883. The reversal of 773803873 is 378308377.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 567249489 + 206554384 = 23817^2 + 14372^2 .

It is a cyclic number.

It is not a de Polignac number, because 773803873 - 2¹ = 773803871 is a prime.

Together with 773803871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (773803871) 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, 386901936 + 386901937.

It is an arithmetic number, because the mean of its divisors is an integer number (386901937).

Almost surely, 2^773803873 is an apocalyptic number.

It is an amenable number.

773803873 is a deficient number, since it is larger than the sum of its proper divisors (1).

773803873 is an equidigital number, since it uses as much as digits as its factorization.

773803873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 773803873 is about 27817.3304434484. The cubic root of 773803873 is about 918.0724739196.

The spelling of 773803873 in words is "seven hundred seventy-three million, eight hundred three thousand, eight hundred seventy-three".