773405385 has 8 divisors (see below), whose sum is σ = 1237448640. Its totient is φ = 412482864.

The previous prime is 773405377. The next prime is 773405387. The reversal of 773405385 is 583504377.

773405385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 773405385 - 2³ = 773405377 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (773405387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25780165 + ... + 25780194.

It is an arithmetic number, because the mean of its divisors is an integer number (154681080).

Almost surely, 2^773405385 is an apocalyptic number.

It is an amenable number.

773405385 is a deficient number, since it is larger than the sum of its proper divisors (464043255).

773405385 is a wasteful number, since it uses less digits than its factorization.

773405385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51560367.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 773405385 is about 27810.1669358528. The cubic root of 773405385 is about 917.9148527212.

The spelling of 773405385 in words is "seven hundred seventy-three million, four hundred five thousand, three hundred eighty-five".