345016217797 has 2 divisors, whose sum is σ = 345016217798. Its totient is φ = 345016217796.

The previous prime is 345016217687. The next prime is 345016217851. The reversal of 345016217797 is 797712610543.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174836041956 + 170180175841 = 418134^2 + 412529^2 .

It is a cyclic number.

It is not a de Polignac number, because 345016217797 - 2⁷ = 345016217669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345016217197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172508108898 + 172508108899.

It is an arithmetic number, because the mean of its divisors is an integer number (172508108899).

Almost surely, 2^345016217797 is an apocalyptic number.

It is an amenable number.

345016217797 is a deficient number, since it is larger than the sum of its proper divisors (1).

345016217797 is an equidigital number, since it uses as much as digits as its factorization.

345016217797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 345016217797 in words is "three hundred forty-five billion, sixteen million, two hundred seventeen thousand, seven hundred ninety-seven".