347682387845 has 8 divisors (see below), whose sum is σ = 449312624376. Its totient is φ = 256750070976.

The previous prime is 347682387823. The next prime is 347682387847. The reversal of 347682387845 is 548783286743.

It can be written as a sum of positive squares in 4 ways, for example, as 11209303876 + 336473083969 = 105874^2 + 580063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 347682387845 - 2⁶ = 347682387781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65), and also a Moran number because the ratio is a prime number: 5348959813 = 347682387845 / (3 + 4 + 7 + 6 + 8 + 2 + 3 + 8 + 7 + 8 + 4 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347682387847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674479842 + ... + 2674479971.

It is an arithmetic number, because the mean of its divisors is an integer number (56164078047).

Almost surely, 2^347682387845 is an apocalyptic number.

It is an amenable number.

347682387845 is a deficient number, since it is larger than the sum of its proper divisors (101630236531).

347682387845 is a wasteful number, since it uses less digits than its factorization.

347682387845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348959831.

The product of its digits is 216760320, while the sum is 65.

The spelling of 347682387845 in words is "three hundred forty-seven billion, six hundred eighty-two million, three hundred eighty-seven thousand, eight hundred forty-five".