27980597341 has 2 divisors, whose sum is σ = 27980597342. Its totient is φ = 27980597340.

The previous prime is 27980597321. The next prime is 27980597387. The reversal of 27980597341 is 14379508972.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27554340025 + 426257316 = 165995^2 + 20646^2 .

It is a cyclic number.

It is not a de Polignac number, because 27980597341 - 2⁷ = 27980597213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27980597321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13990298670 + 13990298671.

It is an arithmetic number, because the mean of its divisors is an integer number (13990298671).

Almost surely, 2^27980597341 is an apocalyptic number.

It is an amenable number.

27980597341 is a deficient number, since it is larger than the sum of its proper divisors (1).

27980597341 is an equidigital number, since it uses as much as digits as its factorization.

27980597341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 55.

It can be divided in two parts, 279805 and 97341, that added together give a triangular number (377146 = T₈₆₈).

The spelling of 27980597341 in words is "twenty-seven billion, nine hundred eighty million, five hundred ninety-seven thousand, three hundred forty-one".