385777317 has 8 divisors (see below), whose sum is σ = 514461024. Its totient is φ = 257139248.

The previous prime is 385777297. The next prime is 385777319. The reversal of 385777317 is 713777583.

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 385777317 - 2⁶ = 385777253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385777319) 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, 24163 + ... + 36815.

It is an arithmetic number, because the mean of its divisors is an integer number (64307628).

Almost surely, 2^385777317 is an apocalyptic number.

It is an amenable number.

385777317 is a deficient number, since it is larger than the sum of its proper divisors (128683707).

385777317 is a wasteful number, since it uses less digits than its factorization.

385777317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22819.

The product of its digits is 864360, while the sum is 48.

The square root of 385777317 is about 19641.2147536755. The cubic root of 385777317 is about 727.9679001313.

The spelling of 385777317 in words is "three hundred eighty-five million, seven hundred seventy-seven thousand, three hundred seventeen".