27791725204 has 12 divisors (see below), whose sum is σ = 49081717300. Its totient is φ = 13768377408.

The previous prime is 27791725193. The next prime is 27791725219. The reversal of 27791725204 is 40252719772.

It can be written as a sum of positive squares in 2 ways, for example, as 23488627600 + 4303097604 = 153260^2 + 65598^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31870809 + ... + 31871680.

Almost surely, 2^27791725204 is an apocalyptic number.

It is an amenable number.

27791725204 is a deficient number, since it is larger than the sum of its proper divisors (21289992096).

27791725204 is a wasteful number, since it uses less digits than its factorization.

27791725204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63742602 (or 63742600 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 27791725204 in words is "twenty-seven billion, seven hundred ninety-one million, seven hundred twenty-five thousand, two hundred four".