27307740727 has 2 divisors, whose sum is σ = 27307740728. Its totient is φ = 27307740726.

The previous prime is 27307740697. The next prime is 27307740743. The reversal of 27307740727 is 72704770372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27307740727 - 2³¹ = 25160257079 is a prime.

It is a super-2 number, since 2×27307740727² (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 (27307740827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13653870363 + 13653870364.

It is an arithmetic number, because the mean of its divisors is an integer number (13653870364).

Almost surely, 2^27307740727 is an apocalyptic number.

27307740727 is a deficient number, since it is larger than the sum of its proper divisors (1).

27307740727 is an equidigital number, since it uses as much as digits as its factorization.

27307740727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806736, while the sum is 46.

The spelling of 27307740727 in words is "twenty-seven billion, three hundred seven million, seven hundred forty thousand, seven hundred twenty-seven".