27556794461 has 8 divisors (see below), whose sum is σ = 31537904640. Its totient is φ = 23586790608.

The previous prime is 27556794437. The next prime is 27556794481. The reversal of 27556794461 is 16449765572.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27556794461 - 2³⁰ = 26483052637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27556794397 and 27556794406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27556794481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2771261 + ... + 2781186.

It is an arithmetic number, because the mean of its divisors is an integer number (3942238080).

Almost surely, 2^27556794461 is an apocalyptic number.

It is an amenable number.

27556794461 is a deficient number, since it is larger than the sum of its proper divisors (3981110179).

27556794461 is an equidigital number, since it uses as much as digits as its factorization.

27556794461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553163.

The product of its digits is 12700800, while the sum is 56.

The spelling of 27556794461 in words is "twenty-seven billion, five hundred fifty-six million, seven hundred ninety-four thousand, four hundred sixty-one".