27045447025 has 27 divisors (see below), whose sum is σ = 34685761089. Its totient is φ = 20918676000.

The previous prime is 27045446993. The next prime is 27045447041. The reversal of 27045447025 is 52074454072.

The square root of 27045447025 is 164455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10195249 + 27035251776 = 3193^2 + 164424^2 .

It is not a de Polignac number, because 27045447025 - 2⁵ = 27045446993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25489995 + ... + 25491055.

Almost surely, 2^27045447025 is an apocalyptic number.

27045447025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27045447025 is the 164455-th square number.

27045447025 is the 82228-th centered octagonal number.

It is an amenable number.

27045447025 is a deficient number, since it is larger than the sum of its proper divisors (7640314064).

27045447025 is an frugal number, since it uses more digits than its factorization.

27045447025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 40.

The spelling of 27045447025 in words is "twenty-seven billion, forty-five million, four hundred forty-seven thousand, twenty-five".