28963318272 has 240 divisors, whose sum is σ = 90097492320. Its totient is φ = 8243945472.

The previous prime is 28963318253. The next prime is 28963318291. The reversal of 28963318272 is 27281336982.

It is an interprime number because it is at equal distance from previous prime (28963318253) and next prime (28963318291).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26116054 + ... + 26117162.

It is an arithmetic number, because the mean of its divisors is an integer number (375406218).

Almost surely, 2^28963318272 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 28963318272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45048746160).

28963318272 is an abundant number, since it is smaller than the sum of its proper divisors (61134174048).

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

28963318272 is a wasteful number, since it uses less digits than its factorization.

28963318272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1468 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 28963318272 in words is "twenty-eight billion, nine hundred sixty-three million, three hundred eighteen thousand, two hundred seventy-two".