343136879 has 2 divisors, whose sum is σ = 343136880. Its totient is φ = 343136878.

The previous prime is 343136863. The next prime is 343136897. The reversal of 343136879 is 978631343.

Together with next prime (343136897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343136879 - 2⁴ = 343136863 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343136809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171568439 + 171568440.

It is an arithmetic number, because the mean of its divisors is an integer number (171568440).

Almost surely, 2^343136879 is an apocalyptic number.

343136879 is a deficient number, since it is larger than the sum of its proper divisors (1).

343136879 is an equidigital number, since it uses as much as digits as its factorization.

343136879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 343136879 is about 18523.9541945018. The cubic root of 343136879 is about 700.0931025825.

The spelling of 343136879 in words is "three hundred forty-three million, one hundred thirty-six thousand, eight hundred seventy-nine".