385811277 has 16 divisors (see below), whose sum is σ = 549679680. Its totient is φ = 239853312.

The previous prime is 385811263. The next prime is 385811287. The reversal of 385811277 is 772118583.

It is not a de Polignac number, because 385811277 - 2¹⁰ = 385810253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385811287) 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 15 ways as a sum of consecutive naturals, for example, 29143 + ... + 40260.

It is an arithmetic number, because the mean of its divisors is an integer number (34354980).

Almost surely, 2^385811277 is an apocalyptic number.

It is an amenable number.

385811277 is a deficient number, since it is larger than the sum of its proper divisors (163868403).

385811277 is a wasteful number, since it uses less digits than its factorization.

385811277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69532.

The product of its digits is 94080, while the sum is 42.

The square root of 385811277 is about 19642.0792432980. The cubic root of 385811277 is about 727.9892605237.

The spelling of 385811277 in words is "three hundred eighty-five million, eight hundred eleven thousand, two hundred seventy-seven".