28066754704 has 80 divisors (see below), whose sum is σ = 59837440000. Its totient is φ = 12702718080.

The previous prime is 28066754687. The next prime is 28066754717. The reversal of 28066754704 is 40745766082.

It is a super-2 number, since 2×28066754704² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725647 + ... + 763345.

It is an arithmetic number, because the mean of its divisors is an integer number (747968000).

Almost surely, 2^28066754704 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 28066754704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29918720000).

28066754704 is an abundant number, since it is smaller than the sum of its proper divisors (31770685296).

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

28066754704 is a wasteful number, since it uses less digits than its factorization.

28066754704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37836 (or 37830 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 28066754704 in words is "twenty-eight billion, sixty-six million, seven hundred fifty-four thousand, seven hundred four".