80270278349 has 2 divisors, whose sum is σ = 80270278350. Its totient is φ = 80270278348.

The previous prime is 80270278303. The next prime is 80270278393. The reversal of 80270278349 is 94387207208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78572014249 + 1698264100 = 280307^2 + 41210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80270278349 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 = 80270278297 and 80270278306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80270278399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40135139174 + 40135139175.

It is an arithmetic number, because the mean of its divisors is an integer number (40135139175).

Almost surely, 2^80270278349 is an apocalyptic number.

It is an amenable number.

80270278349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80270278349 is an equidigital number, since it uses as much as digits as its factorization.

80270278349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 80270278349 in words is "eighty billion, two hundred seventy million, two hundred seventy-eight thousand, three hundred forty-nine".