388676572872 has 128 divisors (see below), whose sum is σ = 1176619530240. Its totient is φ = 104447738880.

The previous prime is 388676572807. The next prime is 388676572897. The reversal of 388676572872 is 278275676883.

It is a junction number, because it is equal to n+sod(n) for n = 388676572797 and 388676572806.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4270383 + ... + 4360449.

It is an arithmetic number, because the mean of its divisors is an integer number (9192340080).

Almost surely, 2^388676572872 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 388676572872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588309765120).

388676572872 is an abundant number, since it is smaller than the sum of its proper divisors (787942957368).

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

388676572872 is a wasteful number, since it uses less digits than its factorization.

388676572872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91611 (or 91607 counting only the distinct ones).

The product of its digits is 379330560, while the sum is 69.

The spelling of 388676572872 in words is "three hundred eighty-eight billion, six hundred seventy-six million, five hundred seventy-two thousand, eight hundred seventy-two".