28114780276 has 72 divisors (see below), whose sum is σ = 56340247040. Its totient is φ = 12253032000.

The previous prime is 28114780247. The next prime is 28114780277. The reversal of 28114780276 is 67208741182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114780277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1626841 + ... + 1644031.

Almost surely, 2^28114780276 is an apocalyptic number.

It is an amenable number.

28114780276 is an abundant number, since it is smaller than the sum of its proper divisors (28225466764).

28114780276 is a wasteful number, since it uses less digits than its factorization.

28114780276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17357 (or 17344 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 28114780276 in words is "twenty-eight billion, one hundred fourteen million, seven hundred eighty thousand, two hundred seventy-six".