27381453532827 has 16 divisors (see below), whose sum is σ = 37623294189600. Its totient is φ = 17700325258752.

The previous prime is 27381453532819. The next prime is 27381453532837. The reversal of 27381453532827 is 72823535418372.

It is not a de Polignac number, because 27381453532827 - 2³ = 27381453532819 is a prime.

It is a super-2 number, since 2×27381453532827² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27381453532837) 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 in 15 ways as a sum of consecutive naturals, for example, 420922702 + ... + 420987747.

It is an arithmetic number, because the mean of its divisors is an integer number (2351455886850).

Almost surely, 2^{27381453532827} is an apocalyptic number.

27381453532827 is a deficient number, since it is larger than the sum of its proper divisors (10241840656773).

27381453532827 is a wasteful number, since it uses less digits than its factorization.

27381453532827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841910782.

The product of its digits is 67737600, while the sum is 60.

The spelling of 27381453532827 in words is "twenty-seven trillion, three hundred eighty-one billion, four hundred fifty-three million, five hundred thirty-two thousand, eight hundred twenty-seven".