27255256678 has 64 divisors (see below), whose sum is σ = 46095521472. Its totient is φ = 12003563520.

The previous prime is 27255256669. The next prime is 27255256741. The reversal of 27255256678 is 87665255272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26384050 + ... + 26385082.

It is an arithmetic number, because the mean of its divisors is an integer number (720242523).

Almost surely, 2^27255256678 is an apocalyptic number.

27255256678 is a deficient number, since it is larger than the sum of its proper divisors (18840264794).

27255256678 is a wasteful number, since it uses less digits than its factorization.

27255256678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609.

The product of its digits is 14112000, while the sum is 55.

The spelling of 27255256678 in words is "twenty-seven billion, two hundred fifty-five million, two hundred fifty-six thousand, six hundred seventy-eight".