387927379 has 8 divisors (see below), whose sum is σ = 444407040. Its totient is φ = 331713096.

The previous prime is 387927377. The next prime is 387927391. The reversal of 387927379 is 973729783.

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 387927379 - 2¹ = 387927377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387927373) 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, 63199 + ... + 69064.

It is an arithmetic number, because the mean of its divisors is an integer number (55550880).

Almost surely, 2^387927379 is an apocalyptic number.

387927379 is a deficient number, since it is larger than the sum of its proper divisors (56479661).

387927379 is a wasteful number, since it uses less digits than its factorization.

387927379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132689.

The product of its digits is 4000752, while the sum is 55.

The square root of 387927379 is about 19695.8721309822. The cubic root of 387927379 is about 729.3177957627.

The spelling of 387927379 in words is "three hundred eighty-seven million, nine hundred twenty-seven thousand, three hundred seventy-nine".