28447282947000 has 512 divisors, whose sum is σ = 94332733747200. Its totient is φ = 7122398976000.

The previous prime is 28447282946981. The next prime is 28447282947019. The reversal of 28447282947000 is 74928274482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28447282946981) and next prime (28447282947019).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1121858322 + ... + 1121883678.

It is an arithmetic number, because the mean of its divisors is an integer number (184243620600).

Almost surely, 2^{28447282947000} is an apocalyptic number.

28447282947000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28447282947000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47166366873600).

28447282947000 is an abundant number, since it is smaller than the sum of its proper divisors (65885450800200).

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

28447282947000 is a wasteful number, since it uses less digits than its factorization.

28447282947000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25704 (or 25690 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 57.

The spelling of 28447282947000 in words is "twenty-eight trillion, four hundred forty-seven billion, two hundred eighty-two million, nine hundred forty-seven thousand".