347473843687 has 2 divisors, whose sum is σ = 347473843688. Its totient is φ = 347473843686.

The previous prime is 347473843663. The next prime is 347473843721. The reversal of 347473843687 is 786348374743.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 347473843687 - 2¹¹ = 347473841639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347473843487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173736921843 + 173736921844.

It is an arithmetic number, because the mean of its divisors is an integer number (173736921844).

Almost surely, 2^347473843687 is an apocalyptic number.

347473843687 is a deficient number, since it is larger than the sum of its proper divisors (1).

347473843687 is an equidigital number, since it uses as much as digits as its factorization.

347473843687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 227598336, while the sum is 64.

The spelling of 347473843687 in words is "three hundred forty-seven billion, four hundred seventy-three million, eight hundred forty-three thousand, six hundred eighty-seven".