340679879 has 2 divisors, whose sum is σ = 340679880. Its totient is φ = 340679878.

The previous prime is 340679821. The next prime is 340679893. The reversal of 340679879 is 978976043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340679879 - 2¹⁶ = 340614343 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340679879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340679809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170339939 + 170339940.

It is an arithmetic number, because the mean of its divisors is an integer number (170339940).

Almost surely, 2^340679879 is an apocalyptic number.

340679879 is a deficient number, since it is larger than the sum of its proper divisors (1).

340679879 is an equidigital number, since it uses as much as digits as its factorization.

340679879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 340679879 is about 18457.5155153666. The cubic root of 340679879 is about 698.4181142839.

The spelling of 340679879 in words is "three hundred forty million, six hundred seventy-nine thousand, eight hundred seventy-nine".