387650016378 has 32 divisors (see below), whose sum is σ = 889233016320. Its totient is φ = 125048391840.

The previous prime is 387650016373. The next prime is 387650016401. The reversal of 387650016378 is 873610056783.

387650016378 is a `hidden beast` number, since 3 + 8 + 7 + 6 + 500 + 1 + 63 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (387650016373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115783875 + ... + 115787222.

It is an arithmetic number, because the mean of its divisors is an integer number (27788531760).

Almost surely, 2^387650016378 is an apocalyptic number.

387650016378 is an abundant number, since it is smaller than the sum of its proper divisors (501582999942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387650016378 is a wasteful number, since it uses less digits than its factorization.

387650016378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231571139 (or 231571133 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 387650016378 in words is "three hundred eighty-seven billion, six hundred fifty million, sixteen thousand, three hundred seventy-eight".