387888537 has 16 divisors (see below), whose sum is σ = 540472320. Its totient is φ = 246982032.

The previous prime is 387888517. The next prime is 387888551. The reversal of 387888537 is 735888783.

It is a happy number.

It is not a de Polignac number, because 387888537 - 2²⁶ = 320779673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387888517) 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 15 ways as a sum of consecutive naturals, for example, 47188 + ... + 54794.

It is an arithmetic number, because the mean of its divisors is an integer number (33779520).

Almost surely, 2^387888537 is an apocalyptic number.

It is an amenable number.

387888537 is a deficient number, since it is larger than the sum of its proper divisors (152583783).

387888537 is a wasteful number, since it uses less digits than its factorization.

387888537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372.

The product of its digits is 9031680, while the sum is 57.

The square root of 387888537 is about 19694.8860621228. The cubic root of 387888537 is about 729.2934534855.

The spelling of 387888537 in words is "three hundred eighty-seven million, eight hundred eighty-eight thousand, five hundred thirty-seven".