387968559 has 16 divisors (see below), whose sum is σ = 567281664. Its totient is φ = 233897600.

The previous prime is 387968557. The next prime is 387968561. The reversal of 387968559 is 955869783.

It is an interprime number because it is at equal distance from previous prime (387968557) and next prime (387968561).

It is a cyclic number.

It is not a de Polignac number, because 387968559 - 2¹ = 387968557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387968557) 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, 24474 + ... + 37079.

It is an arithmetic number, because the mean of its divisors is an integer number (35455104).

Almost surely, 2^387968559 is an apocalyptic number.

387968559 is a deficient number, since it is larger than the sum of its proper divisors (179313105).

387968559 is a wasteful number, since it uses less digits than its factorization.

387968559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61758.

The product of its digits is 16329600, while the sum is 60.

The square root of 387968559 is about 19696.9174999541. The cubic root of 387968559 is about 729.3436014897.

The spelling of 387968559 in words is "three hundred eighty-seven million, nine hundred sixty-eight thousand, five hundred fifty-nine".