27601853728 has 12 divisors (see below), whose sum is σ = 54341149590. Its totient is φ = 13800926848.

The previous prime is 27601853707. The next prime is 27601853771. The reversal of 27601853728 is 82735810672.

It can be written as a sum of positive squares in only one way, i.e., 25552661904 + 2049191824 = 159852^2 + 45268^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431278933 + ... + 431278996.

Almost surely, 2^27601853728 is an apocalyptic number.

It is an amenable number.

27601853728 is a deficient number, since it is larger than the sum of its proper divisors (26739295862).

27601853728 is an equidigital number, since it uses as much as digits as its factorization.

27601853728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862557939 (or 862557931 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 27601853728 in words is "twenty-seven billion, six hundred one million, eight hundred fifty-three thousand, seven hundred twenty-eight".