28802481227 has 6 divisors (see below), whose sum is σ = 31188485772. Its totient is φ = 26586905592.

The previous prime is 28802481187. The next prime is 28802481229. The reversal of 28802481227 is 72218420882.

It is a de Polignac number, because none of the positive numbers 2^k-28802481227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28802481229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85214273 + ... + 85214610.

It is an arithmetic number, because the mean of its divisors is an integer number (5198080962).

Almost surely, 2^28802481227 is an apocalyptic number.

28802481227 is a deficient number, since it is larger than the sum of its proper divisors (2386004545).

28802481227 is a wasteful number, since it uses less digits than its factorization.

28802481227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170428909 (or 170428896 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 28802481227 in words is "twenty-eight billion, eight hundred two million, four hundred eighty-one thousand, two hundred twenty-seven".