27400770233 has 2 divisors, whose sum is σ = 27400770234. Its totient is φ = 27400770232.

The previous prime is 27400770193. The next prime is 27400770277. The reversal of 27400770233 is 33207700472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27395877289 + 4892944 = 165517^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 27400770233 - 2⁶ = 27400770169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27400770193 and 27400770202.

It is not a weakly prime, because it can be changed into another prime (27400770433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700385116 + 13700385117.

It is an arithmetic number, because the mean of its divisors is an integer number (13700385117).

Almost surely, 2^27400770233 is an apocalyptic number.

It is an amenable number.

27400770233 is a deficient number, since it is larger than the sum of its proper divisors (1).

27400770233 is an equidigital number, since it uses as much as digits as its factorization.

27400770233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 35.

The spelling of 27400770233 in words is "twenty-seven billion, four hundred million, seven hundred seventy thousand, two hundred thirty-three".