343749677 has 2 divisors, whose sum is σ = 343749678. Its totient is φ = 343749676.

The previous prime is 343749671. The next prime is 343749709. The reversal of 343749677 is 776947343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276689956 + 67059721 = 16634^2 + 8189^2 .

It is a cyclic number.

It is not a de Polignac number, because 343749677 - 2⁴ = 343749661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343749671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171874838 + 171874839.

It is an arithmetic number, because the mean of its divisors is an integer number (171874839).

Almost surely, 2^343749677 is an apocalyptic number.

It is an amenable number.

343749677 is a deficient number, since it is larger than the sum of its proper divisors (1).

343749677 is an equidigital number, since it uses as much as digits as its factorization.

343749677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 50.

The square root of 343749677 is about 18540.4875070749. The cubic root of 343749677 is about 700.5096132556.

The spelling of 343749677 in words is "three hundred forty-three million, seven hundred forty-nine thousand, six hundred seventy-seven".