27655476031 has 2 divisors, whose sum is σ = 27655476032. Its totient is φ = 27655476030.

The previous prime is 27655476007. The next prime is 27655476041. The reversal of 27655476031 is 13067455672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27655476031 - 2¹¹ = 27655473983 is a prime.

It is a super-2 number, since 2×27655476031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27655476041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13827738015 + 13827738016.

It is an arithmetic number, because the mean of its divisors is an integer number (13827738016).

Almost surely, 2^27655476031 is an apocalyptic number.

27655476031 is a deficient number, since it is larger than the sum of its proper divisors (1).

27655476031 is an equidigital number, since it uses as much as digits as its factorization.

27655476031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 27655476031 in words is "twenty-seven billion, six hundred fifty-five million, four hundred seventy-six thousand, thirty-one".