27726678132 has 24 divisors (see below), whose sum is σ = 66782537472. Its totient is φ = 8944089600.

The previous prime is 27726678079. The next prime is 27726678149. The reversal of 27726678132 is 23187662772.

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, 37266669 + ... + 37267412.

It is an arithmetic number, because the mean of its divisors is an integer number (2782605728).

Almost surely, 2^27726678132 is an apocalyptic number.

It is an amenable number.

27726678132 is an abundant number, since it is smaller than the sum of its proper divisors (39055859340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27726678132 is a wasteful number, since it uses less digits than its factorization.

27726678132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74534119 (or 74534117 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The spelling of 27726678132 in words is "twenty-seven billion, seven hundred twenty-six million, six hundred seventy-eight thousand, one hundred thirty-two".