347847120385 has 16 divisors (see below), whose sum is σ = 417879798336. Its totient is φ = 277969043008.

The previous prime is 347847120377. The next prime is 347847120409. The reversal of 347847120385 is 583021748743.

It is a cyclic number.

It is not a de Polignac number, because 347847120385 - 2³ = 347847120377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18349482 + ... + 18368428.

It is an arithmetic number, because the mean of its divisors is an integer number (26117487396).

Almost surely, 2^347847120385 is an apocalyptic number.

It is an amenable number.

347847120385 is a deficient number, since it is larger than the sum of its proper divisors (70032677951).

347847120385 is a wasteful number, since it uses less digits than its factorization.

347847120385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22832.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 347847120385 in words is "three hundred forty-seven billion, eight hundred forty-seven million, one hundred twenty thousand, three hundred eighty-five".