27027881278 has 16 divisors (see below), whose sum is σ = 41859987840. Its totient is φ = 13074768000.

The previous prime is 27027881269. The next prime is 27027881317. The reversal of 27027881278 is 87218872072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208578 + ... + 312346.

It is an arithmetic number, because the mean of its divisors is an integer number (2616249240).

Almost surely, 2^27027881278 is an apocalyptic number.

27027881278 is a deficient number, since it is larger than the sum of its proper divisors (14832106562).

27027881278 is a wasteful number, since it uses less digits than its factorization.

27027881278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108003.

The product of its (nonzero) digits is 1404928, while the sum is 52.

The spelling of 27027881278 in words is "twenty-seven billion, twenty-seven million, eight hundred eighty-one thousand, two hundred seventy-eight".