28984055651712 has 896 divisors, whose sum is σ = 107508893030400. Its totient is φ = 7592133058560.

The previous prime is 28984055651701. The next prime is 28984055651753. The reversal of 28984055651712 is 21715655048982.

28984055651712 is a `hidden beast` number, since 2 + 8 + 9 + 8 + 4 + 0 + 556 + 5 + 1 + 71 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 28984055651712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 384687708 + ... + 384763044.

Almost surely, 2^{28984055651712} 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 28984055651712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53754446515200).

28984055651712 is an abundant number, since it is smaller than the sum of its proper divisors (78524837378688).

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

28984055651712 is an equidigital number, since it uses as much as digits as its factorization.

28984055651712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75426 (or 75399 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 63.

The spelling of 28984055651712 in words is "twenty-eight trillion, nine hundred eighty-four billion, fifty-five million, six hundred fifty-one thousand, seven hundred twelve".