343700680877 has 2 divisors, whose sum is σ = 343700680878. Its totient is φ = 343700680876.

The previous prime is 343700680811. The next prime is 343700680889. The reversal of 343700680877 is 778086007343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273122257321 + 70578423556 = 522611^2 + 265666^2 .

It is a cyclic number.

It is not a de Polignac number, because 343700680877 - 2¹⁰ = 343700679853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343700683877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171850340438 + 171850340439.

It is an arithmetic number, because the mean of its divisors is an integer number (171850340439).

Almost surely, 2^343700680877 is an apocalyptic number.

It is an amenable number.

343700680877 is a deficient number, since it is larger than the sum of its proper divisors (1).

343700680877 is an equidigital number, since it uses as much as digits as its factorization.

343700680877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 343700680877 in words is "three hundred forty-three billion, seven hundred million, six hundred eighty thousand, eight hundred seventy-seven".