27690752233 has 4 divisors (see below), whose sum is σ = 28439150980. Its totient is φ = 26942353488.

The previous prime is 27690752231. The next prime is 27690752251. The reversal of 27690752233 is 33225709672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22439141209 + 5251611024 = 149797^2 + 72468^2 .

It is a cyclic number.

It is not a de Polignac number, because 27690752233 - 2¹ = 27690752231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27690752231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374199318 + ... + 374199391.

It is an arithmetic number, because the mean of its divisors is an integer number (7109787745).

Almost surely, 2^27690752233 is an apocalyptic number.

It is an amenable number.

27690752233 is a deficient number, since it is larger than the sum of its proper divisors (748398747).

27690752233 is an equidigital number, since it uses as much as digits as its factorization.

27690752233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748398746.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 27690752233 in words is "twenty-seven billion, six hundred ninety million, seven hundred fifty-two thousand, two hundred thirty-three".