385775877 has 8 divisors (see below), whose sum is σ = 514650240. Its totient is φ = 257042720.

The previous prime is 385775869. The next prime is 385775909. The reversal of 385775877 is 778577583.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 385775877 - 2³ = 385775869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385775827) 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 7 ways as a sum of consecutive naturals, for example, 28752 + ... + 39977.

It is an arithmetic number, because the mean of its divisors is an integer number (64331280).

Almost surely, 2^385775877 is an apocalyptic number.

It is an amenable number.

385775877 is a deficient number, since it is larger than the sum of its proper divisors (128874363).

385775877 is a wasteful number, since it uses less digits than its factorization.

385775877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70603.

The product of its digits is 11524800, while the sum is 57.

The square root of 385775877 is about 19641.1780960308. The cubic root of 385775877 is about 727.9669943626.

The spelling of 385775877 in words is "three hundred eighty-five million, seven hundred seventy-five thousand, eight hundred seventy-seven".