773340389 has 2 divisors, whose sum is σ = 773340390. Its totient is φ = 773340388.

The previous prime is 773340383. The next prime is 773340409. The reversal of 773340389 is 983043377.

773340389 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., 739024225 + 34316164 = 27185^2 + 5858^2 .

It is a cyclic number.

It is not a de Polignac number, because 773340389 - 2²⁰ = 772291813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (773340383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386670194 + 386670195.

It is an arithmetic number, because the mean of its divisors is an integer number (386670195).

Almost surely, 2^773340389 is an apocalyptic number.

It is an amenable number.

773340389 is a deficient number, since it is larger than the sum of its proper divisors (1).

773340389 is an equidigital number, since it uses as much as digits as its factorization.

773340389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 773340389 is about 27808.9983458592. The cubic root of 773340389 is about 917.8891385372.

The spelling of 773340389 in words is "seven hundred seventy-three million, three hundred forty thousand, three hundred eighty-nine".