27380768153591 has 2 divisors, whose sum is σ = 27380768153592. Its totient is φ = 27380768153590.

The previous prime is 27380768153573. The next prime is 27380768153621. The reversal of 27380768153591 is 19535186708372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27380768153591 - 2³⁴ = 27363588284407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27380768153191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13690384076795 + 13690384076796.

It is an arithmetic number, because the mean of its divisors is an integer number (13690384076796).

Almost surely, 2^{27380768153591} is an apocalyptic number.

27380768153591 is a deficient number, since it is larger than the sum of its proper divisors (1).

27380768153591 is an equidigital number, since it uses as much as digits as its factorization.

27380768153591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 65.

The spelling of 27380768153591 in words is "twenty-seven trillion, three hundred eighty billion, seven hundred sixty-eight million, one hundred fifty-three thousand, five hundred ninety-one".