28276243125 has 160 divisors (see below), whose sum is σ = 54683295744. Its totient is φ = 12877920000.

The previous prime is 28276243097. The next prime is 28276243129. The reversal of 28276243125 is 52134267282.

It is not a de Polignac number, because 28276243125 - 2¹⁸ = 28275980981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28276243129) 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 159 ways as a sum of consecutive naturals, for example, 17378562 + ... + 17380188.

Almost surely, 2^28276243125 is an apocalyptic number.

28276243125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28276243125 is a deficient number, since it is larger than the sum of its proper divisors (26407052619).

28276243125 is a wasteful number, since it uses less digits than its factorization.

28276243125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1702 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The spelling of 28276243125 in words is "twenty-eight billion, two hundred seventy-six million, two hundred forty-three thousand, one hundred twenty-five".