216826283075847 has 4 divisors (see below), whose sum is σ = 289101710767800. Its totient is φ = 144550855383896.

The previous prime is 216826283075837. The next prime is 216826283075863. The reversal of 216826283075847 is 748570382628612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216826283075847 - 2¹⁵ = 216826283043079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216826283075807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36137713845972 + ... + 36137713845977.

It is an arithmetic number, because the mean of its divisors is an integer number (72275427691950).

Almost surely, 2^{216826283075847} is an apocalyptic number.

216826283075847 is a deficient number, since it is larger than the sum of its proper divisors (72275427691953).

216826283075847 is an equidigital number, since it uses as much as digits as its factorization.

216826283075847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72275427691952.

The product of its (nonzero) digits is 433520640, while the sum is 69.

The spelling of 216826283075847 in words is "two hundred sixteen trillion, eight hundred twenty-six billion, two hundred eighty-three million, seventy-five thousand, eight hundred forty-seven".