27655327537 has 4 divisors (see below), whose sum is σ = 27658422000. Its totient is φ = 27652233076.

The previous prime is 27655327529. The next prime is 27655327547. The reversal of 27655327537 is 73572355672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27655327537 - 2³ = 27655327529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27655327547) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1533787 + ... + 1551712.

It is an arithmetic number, because the mean of its divisors is an integer number (6914605500).

Almost surely, 2^27655327537 is an apocalyptic number.

It is an amenable number.

27655327537 is a deficient number, since it is larger than the sum of its proper divisors (3094463).

27655327537 is an equidigital number, since it uses as much as digits as its factorization.

27655327537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094462.

The product of its digits is 9261000, while the sum is 52.

The spelling of 27655327537 in words is "twenty-seven billion, six hundred fifty-five million, three hundred twenty-seven thousand, five hundred thirty-seven".