27471479725 has 12 divisors (see below), whose sum is σ = 34985301844. Its totient is φ = 21383205120.

The previous prime is 27471479723. The next prime is 27471479753. The reversal of 27471479725 is 52797417472.

It can be written as a sum of positive squares in 6 ways, for example, as 1326853476 + 26144626249 = 36426^2 + 161693^2 .

It is not a de Polignac number, because 27471479725 - 2¹ = 27471479723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27471479723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14848524 + ... + 14850373.

Almost surely, 2^27471479725 is an apocalyptic number.

27471479725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27471479725 is a deficient number, since it is larger than the sum of its proper divisors (7513822119).

27471479725 is a wasteful number, since it uses less digits than its factorization.

27471479725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29698944 (or 29698939 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 55.

The spelling of 27471479725 in words is "twenty-seven billion, four hundred seventy-one million, four hundred seventy-nine thousand, seven hundred twenty-five".