345680768791 has 2 divisors, whose sum is σ = 345680768792. Its totient is φ = 345680768790.

The previous prime is 345680768677. The next prime is 345680768801. The reversal of 345680768791 is 197867086543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345680768791 - 2¹⁷ = 345680637719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345680768591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172840384395 + 172840384396.

It is an arithmetic number, because the mean of its divisors is an integer number (172840384396).

Almost surely, 2^345680768791 is an apocalyptic number.

345680768791 is a deficient number, since it is larger than the sum of its proper divisors (1).

345680768791 is an equidigital number, since it uses as much as digits as its factorization.

345680768791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 345680768791 in words is "three hundred forty-five billion, six hundred eighty million, seven hundred sixty-eight thousand, seven hundred ninety-one".