28000984147136 has 672 divisors, whose sum is σ = 82094151686400. Its totient is φ = 9282319441920.

The previous prime is 28000984147109. The next prime is 28000984147151. The reversal of 28000984147136 is 63174148900082.

It is a super-2 number, since 2×28000984147136² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 315214535 + ... + 315303353.

It is an arithmetic number, because the mean of its divisors is an integer number (122163916200).

Almost surely, 2^{28000984147136} is an apocalyptic number.

28000984147136 is a gapful number since it is divisible by the number (26) 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 28000984147136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41047075843200).

28000984147136 is an abundant number, since it is smaller than the sum of its proper divisors (54093167539264).

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

28000984147136 is a wasteful number, since it uses less digits than its factorization.

28000984147136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88925 (or 88908 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 28000984147136 in words is "twenty-eight trillion, nine hundred eighty-four million, one hundred forty-seven thousand, one hundred thirty-six".