28570044886848 has 448 divisors, whose sum is σ = 89095185792000. Its totient is φ = 8952539904000.

The previous prime is 28570044886769. The next prime is 28570044886861. The reversal of 28570044886848 is 84868844007582.

28570044886848 is a `hidden beast` number, since 2 + 8 + 570 + 0 + 4 + 4 + 8 + 8 + 6 + 8 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 2885566698 + ... + 2885576598.

Almost surely, 2^{28570044886848} 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 28570044886848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44547592896000).

28570044886848 is an abundant number, since it is smaller than the sum of its proper divisors (60525140905152).

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

28570044886848 is a wasteful number, since it uses less digits than its factorization.

28570044886848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611 (or 10595 counting only the distinct ones).

The product of its (nonzero) digits is 880803840, while the sum is 72.

The spelling of 28570044886848 in words is "twenty-eight trillion, five hundred seventy billion, forty-four million, eight hundred eighty-six thousand, eight hundred forty-eight".