27480457663375 has 16 divisors (see below), whose sum is σ = 34295992619616. Its totient is φ = 21984121608000.

The previous prime is 27480457663349. The next prime is 27480457663433. The reversal of 27480457663375 is 57336675408472.

It is not a de Polignac number, because 27480457663375 - 2⁵ = 27480457663343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27480457663375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10509252 + ... + 12860998.

It is an arithmetic number, because the mean of its divisors is an integer number (2143499538726).

Almost surely, 2^{27480457663375} is an apocalyptic number.

27480457663375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27480457663375 is a deficient number, since it is larger than the sum of its proper divisors (6815534956241).

27480457663375 is an equidigital number, since it uses as much as digits as its factorization.

27480457663375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445243 (or 2445233 counting only the distinct ones).

The product of its (nonzero) digits is 711244800, while the sum is 67.

The spelling of 27480457663375 in words is "twenty-seven trillion, four hundred eighty billion, four hundred fifty-seven million, six hundred sixty-three thousand, three hundred seventy-five".