773665001 has 2 divisors, whose sum is σ = 773665002. Its totient is φ = 773665000.

The previous prime is 773664977. The next prime is 773665027. The reversal of 773665001 is 100566377.

773665001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428448601 + 345216400 = 20699^2 + 18580^2 .

It is a cyclic number.

It is not a de Polignac number, because 773665001 - 2⁶ = 773664937 is a prime.

It is a Chen prime.

It is equal to p_39860108 and since 773665001 and 39860108 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (773665031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386832500 + 386832501.

It is an arithmetic number, because the mean of its divisors is an integer number (386832501).

Almost surely, 2^773665001 is an apocalyptic number.

It is an amenable number.

773665001 is a deficient number, since it is larger than the sum of its proper divisors (1).

773665001 is an equidigital number, since it uses as much as digits as its factorization.

773665001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 773665001 is about 27814.8341896909. The cubic root of 773665001 is about 918.0175494989.

The spelling of 773665001 in words is "seven hundred seventy-three million, six hundred sixty-five thousand, one".