343809886417927 has 2 divisors, whose sum is σ = 343809886417928. Its totient is φ = 343809886417926.

The previous prime is 343809886417897. The next prime is 343809886417939. The reversal of 343809886417927 is 729714688908343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343809886417927 - 2³¹ = 343807738934279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343809886417957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171904943208963 + 171904943208964.

It is an arithmetic number, because the mean of its divisors is an integer number (171904943208964).

Almost surely, 2^{343809886417927} is an apocalyptic number.

343809886417927 is a deficient number, since it is larger than the sum of its proper divisors (1).

343809886417927 is an equidigital number, since it uses as much as digits as its factorization.

343809886417927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3511517184, while the sum is 79.

The spelling of 343809886417927 in words is "three hundred forty-three trillion, eight hundred nine billion, eight hundred eighty-six million, four hundred seventeen thousand, nine hundred twenty-seven".