27771755048 has 16 divisors (see below), whose sum is σ = 52373037780. Its totient is φ = 13805611648.

The previous prime is 27771755003. The next prime is 27771755093. The reversal of 27771755048 is 84055717772.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27771755003) and next prime (27771755093).

It can be written as a sum of positive squares in 2 ways, for example, as 24055389604 + 3716365444 = 155098^2 + 60962^2 .

It is a super-4 number, since 4×27771755048⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10031765 + ... + 10034532.

Almost surely, 2^27771755048 is an apocalyptic number.

It is an amenable number.

27771755048 is a deficient number, since it is larger than the sum of its proper divisors (24601282732).

27771755048 is a wasteful number, since it uses less digits than its factorization.

27771755048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20066476 (or 20066472 counting only the distinct ones).

The product of its (nonzero) digits is 3841600, while the sum is 53.

The spelling of 27771755048 in words is "twenty-seven billion, seven hundred seventy-one million, seven hundred fifty-five thousand, forty-eight".