27556748297 has 16 divisors (see below), whose sum is σ = 30490877760. Its totient is φ = 24739515072.

The previous prime is 27556748269. The next prime is 27556748311. The reversal of 27556748297 is 79284765572.

It is a cyclic number.

It is not a de Polignac number, because 27556748297 - 2⁸ = 27556748041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27556748207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345778 + ... + 1366100.

It is an arithmetic number, because the mean of its divisors is an integer number (1905679860).

Almost surely, 2^27556748297 is an apocalyptic number.

It is an amenable number.

27556748297 is a deficient number, since it is larger than the sum of its proper divisors (2934129463).

27556748297 is a wasteful number, since it uses less digits than its factorization.

27556748297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23192.

The product of its digits is 59270400, while the sum is 62.

The spelling of 27556748297 in words is "twenty-seven billion, five hundred fifty-six million, seven hundred forty-eight thousand, two hundred ninety-seven".