347473843686 has 64 divisors (see below), whose sum is σ = 782777571840. Its totient is φ = 114241327200.

The previous prime is 347473843663. The next prime is 347473843687. The reversal of 347473843686 is 686348374743.

347473843686 is a `hidden beast` number, since 3 + 4 + 7 + 473 + 84 + 3 + 6 + 86 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347473843687) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1313281 + ... + 1555523.

It is an arithmetic number, because the mean of its divisors is an integer number (12230899560).

Almost surely, 2^347473843686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347473843686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391388785920).

347473843686 is an abundant number, since it is smaller than the sum of its proper divisors (435303728154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

347473843686 is a wasteful number, since it uses less digits than its factorization.

347473843686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242618 (or 242612 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 63.

The spelling of 347473843686 in words is "three hundred forty-seven billion, four hundred seventy-three million, eight hundred forty-three thousand, six hundred eighty-six".