27980256043 has 2 divisors, whose sum is σ = 27980256044. Its totient is φ = 27980256042.

The previous prime is 27980256037. The next prime is 27980256049. The reversal of 27980256043 is 34065208972.

It is a balanced prime because it is at equal distance from previous prime (27980256037) and next prime (27980256049).

It is a cyclic number.

It is not a de Polignac number, because 27980256043 - 2¹⁷ = 27980124971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27980255984 and 27980256002.

It is not a weakly prime, because it can be changed into another prime (27980256049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13990128021 + 13990128022.

It is an arithmetic number, because the mean of its divisors is an integer number (13990128022).

Almost surely, 2^27980256043 is an apocalyptic number.

27980256043 is a deficient number, since it is larger than the sum of its proper divisors (1).

27980256043 is an equidigital number, since it uses as much as digits as its factorization.

27980256043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 27980256043 in words is "twenty-seven billion, nine hundred eighty million, two hundred fifty-six thousand, forty-three".