387188668855 has 16 divisors (see below), whose sum is σ = 467913910464. Its totient is φ = 307565520640.

The previous prime is 387188668837. The next prime is 387188668913. The reversal of 387188668855 is 558866881783.

It is not a de Polignac number, because 387188668855 - 2¹¹ = 387188666807 is a prime.

It is a super-2 number, since 2×387188668855² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104715 + ... + 886195.

It is an arithmetic number, because the mean of its divisors is an integer number (29244619404).

Almost surely, 2^387188668855 is an apocalyptic number.

387188668855 is a deficient number, since it is larger than the sum of its proper divisors (80725241609).

387188668855 is a wasteful number, since it uses less digits than its factorization.

387188668855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782186.

The product of its digits is 619315200, while the sum is 73.

The spelling of 387188668855 in words is "three hundred eighty-seven billion, one hundred eighty-eight million, six hundred sixty-eight thousand, eight hundred fifty-five".