345366677 has 2 divisors, whose sum is σ = 345366678. Its totient is φ = 345366676.

The previous prime is 345366661. The next prime is 345366701. The reversal of 345366677 is 776663543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317053636 + 28313041 = 17806^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 345366677 - 2⁴ = 345366661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345366607) 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, 172683338 + 172683339.

It is an arithmetic number, because the mean of its divisors is an integer number (172683339).

Almost surely, 2^345366677 is an apocalyptic number.

It is an amenable number.

345366677 is a deficient number, since it is larger than the sum of its proper divisors (1).

345366677 is an equidigital number, since it uses as much as digits as its factorization.

345366677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 47.

The square root of 345366677 is about 18584.0436127340. The cubic root of 345366677 is about 701.6062955552.

The spelling of 345366677 in words is "three hundred forty-five million, three hundred sixty-six thousand, six hundred seventy-seven".