8220044511843 has 32 divisors (see below), whose sum is σ = 11163854610432. Its totient is φ = 5378526316800.

The previous prime is 8220044511839. The next prime is 8220044511893. The reversal of 8220044511843 is 3481154400228.

It is a Cunningham number, because it is equal to 2867062²-1.

It is not a de Polignac number, because 8220044511843 - 2² = 8220044511839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8220044511795 and 8220044511804.

It is not an unprimeable number, because it can be changed into a prime (8220044511893) 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 31 ways as a sum of consecutive naturals, for example, 524664696 + ... + 524680362.

It is an arithmetic number, because the mean of its divisors is an integer number (348870456576).

Almost surely, 2^{8220044511843} is an apocalyptic number.

8220044511843 is a deficient number, since it is larger than the sum of its proper divisors (2943810098589).

8220044511843 is a wasteful number, since it uses less digits than its factorization.

8220044511843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21755.

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 8220044511843 in words is "eight trillion, two hundred twenty billion, forty-four million, five hundred eleven thousand, eight hundred forty-three".