8020343770559 has 16 divisors (see below), whose sum is σ = 8239752327456. Its totient is φ = 7803982032000.

The previous prime is 8020343770529. The next prime is 8020343770597. The reversal of 8020343770559 is 9550773430208.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8020343770559 - 2⁸ = 8020343770303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8020343770559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020343770529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3698969 + ... + 5451885.

It is an arithmetic number, because the mean of its divisors is an integer number (514984520466).

Almost surely, 2^{8020343770559} is an apocalyptic number.

8020343770559 is a deficient number, since it is larger than the sum of its proper divisors (219408556897).

8020343770559 is a wasteful number, since it uses less digits than its factorization.

8020343770559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753786.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 8020343770559 in words is "eight trillion, twenty billion, three hundred forty-three million, seven hundred seventy thousand, five hundred fifty-nine".