27538877843 has 2 divisors, whose sum is σ = 27538877844. Its totient is φ = 27538877842.

The previous prime is 27538877801. The next prime is 27538877867. The reversal of 27538877843 is 34877883572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27538877843 - 2¹⁰ = 27538876819 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (27538877893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13769438921 + 13769438922.

It is an arithmetic number, because the mean of its divisors is an integer number (13769438922).

Almost surely, 2^27538877843 is an apocalyptic number.

27538877843 is a deficient number, since it is larger than the sum of its proper divisors (1).

27538877843 is an equidigital number, since it uses as much as digits as its factorization.

27538877843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63221760, while the sum is 62.

The spelling of 27538877843 in words is "twenty-seven billion, five hundred thirty-eight million, eight hundred seventy-seven thousand, eight hundred forty-three".