27754072343 has 2 divisors, whose sum is σ = 27754072344. Its totient is φ = 27754072342.

The previous prime is 27754072327. The next prime is 27754072363. The reversal of 27754072343 is 34327045772.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27754072343 - 2⁴ = 27754072327 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 27754072294 and 27754072303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27754072363) 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, 13877036171 + 13877036172.

It is an arithmetic number, because the mean of its divisors is an integer number (13877036172).

Almost surely, 2^27754072343 is an apocalyptic number.

27754072343 is a deficient number, since it is larger than the sum of its proper divisors (1).

27754072343 is an equidigital number, since it uses as much as digits as its factorization.

27754072343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 44.

The spelling of 27754072343 in words is "twenty-seven billion, seven hundred fifty-four million, seventy-two thousand, three hundred forty-three".