387381875 has 10 divisors (see below), whose sum is σ = 484073172. Its totient is φ = 309905000.

The previous prime is 387381871. The next prime is 387381889. The reversal of 387381875 is 578183783.

It is not a de Polignac number, because 387381875 - 2² = 387381871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387381871) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 309281 + ... + 310530.

Almost surely, 2^387381875 is an apocalyptic number.

387381875 is a deficient number, since it is larger than the sum of its proper divisors (96691297).

387381875 is an frugal number, since it uses more digits than its factorization.

387381875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619831 (or 619816 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The square root of 387381875 is about 19682.0190783364. The cubic root of 387381875 is about 728.9757795108.

The spelling of 387381875 in words is "three hundred eighty-seven million, three hundred eighty-one thousand, eight hundred seventy-five".