28847255275 has 12 divisors (see below), whose sum is σ = 35775288112. Its totient is φ = 23074777440.

The previous prime is 28847255237. The next prime is 28847255279. The reversal of 28847255275 is 57255274882.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-28847255275 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28847255279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129682 + ... + 272968.

Almost surely, 2^28847255275 is an apocalyptic number.

28847255275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28847255275 is a deficient number, since it is larger than the sum of its proper divisors (6928032837).

28847255275 is a wasteful number, since it uses less digits than its factorization.

28847255275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151350 (or 151345 counting only the distinct ones).

The product of its digits is 12544000, while the sum is 55.

It can be divided in two parts, 2884725 and 5275, that added together give a square (2890000 = 1700²).

The spelling of 28847255275 in words is "twenty-eight billion, eight hundred forty-seven million, two hundred fifty-five thousand, two hundred seventy-five".