28851522272 has 24 divisors (see below), whose sum is σ = 58009978656. Its totient is φ = 14118829312.

The previous prime is 28851522263. The next prime is 28851522281. The reversal of 28851522272 is 27222515882.

It is an interprime number because it is at equal distance from previous prime (28851522263) and next prime (28851522281).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9590093 + ... + 9593100.

It is an arithmetic number, because the mean of its divisors is an integer number (2417082444).

Almost surely, 2^28851522272 is an apocalyptic number.

It is an amenable number.

28851522272 is an abundant number, since it is smaller than the sum of its proper divisors (29158456384).

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

28851522272 is a wasteful number, since it uses less digits than its factorization.

28851522272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19183250 (or 19183242 counting only the distinct ones).

The product of its digits is 358400, while the sum is 44.

The spelling of 28851522272 in words is "twenty-eight billion, eight hundred fifty-one million, five hundred twenty-two thousand, two hundred seventy-two".