385773765 has 48 divisors (see below), whose sum is σ = 690071040. Its totient is φ = 183755520.

The previous prime is 385773763. The next prime is 385773811. The reversal of 385773765 is 567377583.

385773765 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 385773765 - 2¹ = 385773763 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385773763) 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 in 47 ways as a sum of consecutive naturals, for example, 76131 + ... + 81039.

It is an arithmetic number, because the mean of its divisors is an integer number (14376480).

Almost surely, 2^385773765 is an apocalyptic number.

It is an amenable number.

385773765 is a deficient number, since it is larger than the sum of its proper divisors (304297275).

385773765 is a wasteful number, since it uses less digits than its factorization.

385773765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974 (or 4961 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 51.

The square root of 385773765 is about 19641.1243313615. The cubic root of 385773765 is about 727.9656658978.

The spelling of 385773765 in words is "three hundred eighty-five million, seven hundred seventy-three thousand, seven hundred sixty-five".