27495638225 has 48 divisors (see below), whose sum is σ = 37508581440. Its totient is φ = 19828435200.

The previous prime is 27495638197. The next prime is 27495638249. The reversal of 27495638225 is 52283659472.

It is not a de Polignac number, because 27495638225 - 2⁸ = 27495637969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31351487 + ... + 31352363.

It is an arithmetic number, because the mean of its divisors is an integer number (781428780).

Almost surely, 2^27495638225 is an apocalyptic number.

27495638225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27495638225 is a deficient number, since it is larger than the sum of its proper divisors (10012943215).

27495638225 is a wasteful number, since it uses less digits than its factorization.

27495638225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1725 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 53.

The spelling of 27495638225 in words is "twenty-seven billion, four hundred ninety-five million, six hundred thirty-eight thousand, two hundred twenty-five".