345667871 has 2 divisors, whose sum is σ = 345667872. Its totient is φ = 345667870.

The previous prime is 345667813. The next prime is 345667909. The reversal of 345667871 is 178766543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345667871 - 2¹⁰ = 345666847 is a 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 (345667811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172833935 + 172833936.

It is an arithmetic number, because the mean of its divisors is an integer number (172833936).

Almost surely, 2^345667871 is an apocalyptic number.

345667871 is a deficient number, since it is larger than the sum of its proper divisors (1).

345667871 is an equidigital number, since it uses as much as digits as its factorization.

345667871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 345667871 is about 18592.1454114365. The cubic root of 345667871 is about 701.8101930549.

The spelling of 345667871 in words is "three hundred forty-five million, six hundred sixty-seven thousand, eight hundred seventy-one".