27500025275 has 12 divisors (see below), whose sum is σ = 34567157352. Its totient is φ = 21698648640.

The previous prime is 27500025271. The next prime is 27500025281. The reversal of 27500025275 is 57252000572.

It is not a de Polignac number, because 27500025275 - 2² = 27500025271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27500025271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7532429 + ... + 7536078.

It is an arithmetic number, because the mean of its divisors is an integer number (2880596446).

Almost surely, 2^27500025275 is an apocalyptic number.

27500025275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27500025275 is a deficient number, since it is larger than the sum of its proper divisors (7067132077).

27500025275 is a wasteful number, since it uses less digits than its factorization.

27500025275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15068590 (or 15068585 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The spelling of 27500025275 in words is "twenty-seven billion, five hundred million, twenty-five thousand, two hundred seventy-five".