8128885474704 has 160 divisors (see below), whose sum is σ = 23069343467520. Its totient is φ = 2455045300224.

The previous prime is 8128885474649. The next prime is 8128885474711. The reversal of 8128885474704 is 4074745888218.

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, 165119437 + ... + 165168659.

It is an arithmetic number, because the mean of its divisors is an integer number (144183396672).

Almost surely, 2^{8128885474704} 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 8128885474704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11534671733760).

8128885474704 is an abundant number, since it is smaller than the sum of its proper divisors (14940457992816).

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

8128885474704 is a wasteful number, since it uses less digits than its factorization.

8128885474704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57149 (or 57143 counting only the distinct ones).

The product of its (nonzero) digits is 128450560, while the sum is 66.

The spelling of 8128885474704 in words is "eight trillion, one hundred twenty-eight billion, eight hundred eighty-five million, four hundred seventy-four thousand, seven hundred four".