27380891627 has 16 divisors (see below), whose sum is σ = 28669040640. Its totient is φ = 26101048512.

The previous prime is 27380891623. The next prime is 27380891647. The reversal of 27380891627 is 72619808372.

It is a cyclic number.

It is not a de Polignac number, because 27380891627 - 2² = 27380891623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27380891623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12811703 + ... + 12813839.

It is an arithmetic number, because the mean of its divisors is an integer number (1791815040).

Almost surely, 2^27380891627 is an apocalyptic number.

27380891627 is a deficient number, since it is larger than the sum of its proper divisors (1288149013).

27380891627 is a wasteful number, since it uses less digits than its factorization.

27380891627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 27380891627 in words is "twenty-seven billion, three hundred eighty million, eight hundred ninety-one thousand, six hundred twenty-seven".