27731426711 has 2 divisors, whose sum is σ = 27731426712. Its totient is φ = 27731426710.

The previous prime is 27731426663. The next prime is 27731426717. The reversal of 27731426711 is 11762413772.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27731426711 - 2¹⁸ = 27731164567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27731426717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13865713355 + 13865713356.

It is an arithmetic number, because the mean of its divisors is an integer number (13865713356).

Almost surely, 2^27731426711 is an apocalyptic number.

27731426711 is a deficient number, since it is larger than the sum of its proper divisors (1).

27731426711 is an equidigital number, since it uses as much as digits as its factorization.

27731426711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 41.

The spelling of 27731426711 in words is "twenty-seven billion, seven hundred thirty-one million, four hundred twenty-six thousand, seven hundred eleven".