387918028005 has 32 divisors (see below), whose sum is σ = 624770648064. Its totient is φ = 205522976256.

The previous prime is 387918027977. The next prime is 387918028007. The reversal of 387918028005 is 500820819783.

It is not a de Polignac number, because 387918028005 - 2¹⁶ = 387917962469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387918028007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11270332 + ... + 11304698.

It is an arithmetic number, because the mean of its divisors is an integer number (19524082752).

Almost surely, 2^387918028005 is an apocalyptic number.

It is an amenable number.

387918028005 is a deficient number, since it is larger than the sum of its proper divisors (236852620059).

387918028005 is a wasteful number, since it uses less digits than its factorization.

387918028005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39325.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 387918028005 in words is "three hundred eighty-seven billion, nine hundred eighteen million, twenty-eight thousand, five".