27500000275 has 24 divisors (see below), whose sum is σ = 39388242384. Its totient is φ = 18823526400.

The previous prime is 27500000261. The next prime is 27500000293. The reversal of 27500000275 is 57200000572.

It is not a de Polignac number, because 27500000275 - 2¹⁵ = 27499967507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2936502 + ... + 2945851.

It is an arithmetic number, because the mean of its divisors is an integer number (1641176766).

Almost surely, 2^27500000275 is an apocalyptic number.

27500000275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27500000275 is a deficient number, since it is larger than the sum of its proper divisors (11888242109).

27500000275 is a wasteful number, since it uses less digits than its factorization.

27500000275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882391 (or 5882386 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The spelling of 27500000275 in words is "twenty-seven billion, five hundred million, two hundred seventy-five", and thus it is an aban number.