28863343104 has 320 divisors, whose sum is σ = 84936563712. Its totient is φ = 8670412800.

The previous prime is 28863343079. The next prime is 28863343163. The reversal of 28863343104 is 40134336882.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146514334 + ... + 146514530.

Almost surely, 2^28863343104 is an apocalyptic number.

28863343104 is a gapful number since it is divisible by the number (24) 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 28863343104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42468281856).

28863343104 is an abundant number, since it is smaller than the sum of its proper divisors (56073220608).

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

28863343104 is a wasteful number, since it uses less digits than its factorization.

28863343104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

Adding to 28863343104 its reverse (40134336882), we get a palindrome (68997679986).

The spelling of 28863343104 in words is "twenty-eight billion, eight hundred sixty-three million, three hundred forty-three thousand, one hundred four".