27752615807272 has 16 divisors (see below), whose sum is σ = 52036392086100. Its totient is φ = 13876244584320.

The previous prime is 27752615807261. The next prime is 27752615807299. The reversal of 27752615807272 is 27270851625772.

It can be written as a sum of positive squares in 2 ways, for example, as 24313912875396 + 3438702931876 = 4930914^2 + 1854374^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27752615807272.

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, 6025629 + ... + 9581932.

Almost surely, 2^{27752615807272} is an apocalyptic number.

It is an amenable number.

27752615807272 is a deficient number, since it is larger than the sum of its proper divisors (24283776278828).

27752615807272 is a wasteful number, since it uses less digits than its factorization.

27752615807272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829836 (or 15829832 counting only the distinct ones).

The product of its (nonzero) digits is 46099200, while the sum is 61.

The spelling of 27752615807272 in words is "twenty-seven trillion, seven hundred fifty-two billion, six hundred fifteen million, eight hundred seven thousand, two hundred seventy-two".