27427516127 has 12 divisors (see below), whose sum is σ = 30560591040. Its totient is φ = 24592534560.

The previous prime is 27427516121. The next prime is 27427516133. The reversal of 27427516127 is 72161572472.

It is an interprime number because it is at equal distance from previous prime (27427516121) and next prime (27427516133).

It is not a de Polignac number, because 27427516127 - 2¹⁸ = 27427253983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27427516121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543727 + ... + 1561392.

It is an arithmetic number, because the mean of its divisors is an integer number (2546715920).

Almost surely, 2^27427516127 is an apocalyptic number.

27427516127 is a deficient number, since it is larger than the sum of its proper divisors (3133074913).

27427516127 is a wasteful number, since it uses less digits than its factorization.

27427516127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105214 (or 3105203 counting only the distinct ones).

The product of its digits is 329280, while the sum is 44.

The spelling of 27427516127 in words is "twenty-seven billion, four hundred twenty-seven million, five hundred sixteen thousand, one hundred twenty-seven".