347684304427 has 2 divisors, whose sum is σ = 347684304428. Its totient is φ = 347684304426.

The previous prime is 347684304403. The next prime is 347684304431. The reversal of 347684304427 is 724403486743.

It is a strong prime.

It is an emirp because it is prime and its reverse (724403486743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347684304427 - 2²³ = 347675915819 is a prime.

It is not a weakly prime, because it can be changed into another prime (347684304437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173842152213 + 173842152214.

It is an arithmetic number, because the mean of its divisors is an integer number (173842152214).

Almost surely, 2^347684304427 is an apocalyptic number.

347684304427 is a deficient number, since it is larger than the sum of its proper divisors (1).

347684304427 is an equidigital number, since it uses as much as digits as its factorization.

347684304427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10838016, while the sum is 52.

The spelling of 347684304427 in words is "three hundred forty-seven billion, six hundred eighty-four million, three hundred four thousand, four hundred twenty-seven".