27739738148 has 6 divisors (see below), whose sum is σ = 48544541766. Its totient is φ = 13869869072.

The previous prime is 27739738129. The next prime is 27739738171. The reversal of 27739738148 is 84183793772.

It can be written as a sum of positive squares in only one way, i.e., 25730726464 + 2009011684 = 160408^2 + 44822^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3467467265 + ... + 3467467272.

It is an arithmetic number, because the mean of its divisors is an integer number (8090756961).

Almost surely, 2^27739738148 is an apocalyptic number.

It is an amenable number.

27739738148 is a deficient number, since it is larger than the sum of its proper divisors (20804803618).

27739738148 is a wasteful number, since it uses less digits than its factorization.

27739738148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934934541 (or 6934934539 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 59.

The spelling of 27739738148 in words is "twenty-seven billion, seven hundred thirty-nine million, seven hundred thirty-eight thousand, one hundred forty-eight".