1427881327 has 2 divisors, whose sum is σ = 1427881328. Its totient is φ = 1427881326.

The previous prime is 1427881309. The next prime is 1427881373. The reversal of 1427881327 is 7231887241.

It is a weak prime.

It is an emirp because it is prime and its reverse (7231887241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427881327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427881397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713940663 + 713940664.

It is an arithmetic number, because the mean of its divisors is an integer number (713940664).

Almost surely, 2^1427881327 is an apocalyptic number.

1427881327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427881327 is an equidigital number, since it uses as much as digits as its factorization.

1427881327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 43.

The square root of 1427881327 is about 37787.3170124580. The cubic root of 1427881327 is about 1126.0664986329.

The spelling of 1427881327 in words is "one billion, four hundred twenty-seven million, eight hundred eighty-one thousand, three hundred twenty-seven".