28716025825568 has 96 divisors (see below), whose sum is σ = 59122732032000. Its totient is φ = 13713014165760.

The previous prime is 28716025825549. The next prime is 28716025825577. The reversal of 28716025825568 is 86552852061782.

It is a super-2 number, since 2×28716025825568² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183224423 + ... + 183381081.

It is an arithmetic number, because the mean of its divisors is an integer number (615861792000).

Almost surely, 2^{28716025825568} 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 28716025825568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29561366016000).

28716025825568 is an abundant number, since it is smaller than the sum of its proper divisors (30406706206432).

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

28716025825568 is a wasteful number, since it uses less digits than its factorization.

28716025825568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159118 (or 159110 counting only the distinct ones).

The product of its (nonzero) digits is 129024000, while the sum is 65.

The spelling of 28716025825568 in words is "twenty-eight trillion, seven hundred sixteen billion, twenty-five million, eight hundred twenty-five thousand, five hundred sixty-eight".