80740780343 has 2 divisors, whose sum is σ = 80740780344. Its totient is φ = 80740780342.

The previous prime is 80740780249. The next prime is 80740780427. The reversal of 80740780343 is 34308704708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80740780343 - 2²⁴ = 80724003127 is a prime.

It is a super-2 number, since 2×80740780343² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80740780294 and 80740780303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80740780843) 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, 40370390171 + 40370390172.

It is an arithmetic number, because the mean of its divisors is an integer number (40370390172).

Almost surely, 2^80740780343 is an apocalyptic number.

80740780343 is a deficient number, since it is larger than the sum of its proper divisors (1).

80740780343 is an equidigital number, since it uses as much as digits as its factorization.

80740780343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 80740780343 in words is "eighty billion, seven hundred forty million, seven hundred eighty thousand, three hundred forty-three".