385773775 has 12 divisors (see below), whose sum is σ = 506498832. Its totient is φ = 290464640.

The previous prime is 385773763. The next prime is 385773811. The reversal of 385773775 is 577377583.

It is not a de Polignac number, because 385773775 - 2⁹ = 385773263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453427 + ... + 454276.

It is an arithmetic number, because the mean of its divisors is an integer number (42208236).

Almost surely, 2^385773775 is an apocalyptic number.

385773775 is a deficient number, since it is larger than the sum of its proper divisors (120725057).

385773775 is a wasteful number, since it uses less digits than its factorization.

385773775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907730 (or 907725 counting only the distinct ones).

The product of its digits is 4321800, while the sum is 52.

The square root of 385773775 is about 19641.1245859294. The cubic root of 385773775 is about 727.9656721879.

The spelling of 385773775 in words is "three hundred eighty-five million, seven hundred seventy-three thousand, seven hundred seventy-five".