387128804608 has 576 divisors, whose sum is σ = 1044351221760. Its totient is φ = 138900013056.

The previous prime is 387128804599. The next prime is 387128804627. The reversal of 387128804608 is 806408821783.

It is a super-2 number, since 2×387128804608² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2162730663 + ... + 2162730841.

It is an arithmetic number, because the mean of its divisors is an integer number (1813109760).

Almost surely, 2^387128804608 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 387128804608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522175610880).

387128804608 is an abundant number, since it is smaller than the sum of its proper divisors (657222417152).

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

387128804608 is a wasteful number, since it uses less digits than its factorization.

387128804608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 387128804608 in words is "three hundred eighty-seven billion, one hundred twenty-eight million, eight hundred four thousand, six hundred eight".