384117877 has 16 divisors (see below), whose sum is σ = 454285440. Its totient is φ = 320184000.

The previous prime is 384117863. The next prime is 384117893. The reversal of 384117877 is 778711483.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 384117877 - 2¹⁹ = 383593589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384117577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12699 + ... + 30487.

It is an arithmetic number, because the mean of its divisors is an integer number (28392840).

Almost surely, 2^384117877 is an apocalyptic number.

It is an amenable number.

384117877 is a deficient number, since it is larger than the sum of its proper divisors (70167563).

384117877 is a wasteful number, since it uses less digits than its factorization.

384117877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17964.

The product of its digits is 263424, while the sum is 46.

The square root of 384117877 is about 19598.9254042154. The cubic root of 384117877 is about 726.9226033865.

The spelling of 384117877 in words is "three hundred eighty-four million, one hundred seventeen thousand, eight hundred seventy-seven".