27728025275 has 6 divisors (see below), whose sum is σ = 34382751372. Its totient is φ = 22182420200.

The previous prime is 27728025233. The next prime is 27728025301. The reversal of 27728025275 is 57252082772.

It is not a de Polignac number, because 27728025275 - 2⁸ = 27728025019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 554560481 + ... + 554560530.

It is an arithmetic number, because the mean of its divisors is an integer number (5730458562).

Almost surely, 2^27728025275 is an apocalyptic number.

27728025275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27728025275 is a deficient number, since it is larger than the sum of its proper divisors (6654726097).

27728025275 is a wasteful number, since it uses less digits than its factorization.

27728025275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109121021 (or 1109121016 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 47.

The spelling of 27728025275 in words is "twenty-seven billion, seven hundred twenty-eight million, twenty-five thousand, two hundred seventy-five".