387913373064 has 192 divisors, whose sum is σ = 1227202704000. Its totient is φ = 108404904960.

The previous prime is 387913373041. The next prime is 387913373069. The reversal of 387913373064 is 460373319783.

387913373064 is a `hidden beast` number, since 387 + 9 + 133 + 73 + 0 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 387913373064.

It is not an unprimeable number, because it can be changed into a prime (387913373069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5467932 + ... + 5538420.

It is an arithmetic number, because the mean of its divisors is an integer number (6391680750).

Almost surely, 2^387913373064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387913373064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613601352000).

387913373064 is an abundant number, since it is smaller than the sum of its proper divisors (839289330936).

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

387913373064 is a wasteful number, since it uses less digits than its factorization.

387913373064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70748 (or 70741 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 387913373064 in words is "three hundred eighty-seven billion, nine hundred thirteen million, three hundred seventy-three thousand, sixty-four".