344315779 has 2 divisors, whose sum is σ = 344315780. Its totient is φ = 344315778.

The previous prime is 344315761. The next prime is 344315801. The reversal of 344315779 is 977513443.

It is a weak prime.

It is an emirp because it is prime and its reverse (977513443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344315779 - 2⁷ = 344315651 is a prime.

It is not a weakly prime, because it can be changed into another prime (344312779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172157889 + 172157890.

It is an arithmetic number, because the mean of its divisors is an integer number (172157890).

Almost surely, 2^344315779 is an apocalyptic number.

344315779 is a deficient number, since it is larger than the sum of its proper divisors (1).

344315779 is an equidigital number, since it uses as much as digits as its factorization.

344315779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 344315779 is about 18555.7478695956. The cubic root of 344315779 is about 700.8939456423.

The spelling of 344315779 in words is "three hundred forty-four million, three hundred fifteen thousand, seven hundred seventy-nine".