8022640965881 has 8 divisors (see below), whose sum is σ = 8239527205704. Its totient is φ = 7805757784320.

The previous prime is 8022640965847. The next prime is 8022640965929. The reversal of 8022640965881 is 1885690462208.

It can be written as a sum of positive squares in 4 ways, for example, as 2305477824400 + 5717163141481 = 1518380^2 + 2391059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8022640965881 - 2³⁴ = 8005461096697 is a prime.

It is a super-2 number, since 2×8022640965881² (a number of 27 digits) contains 22 as substring.

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 8022640965881.

It is not an unprimeable number, because it can be changed into a prime (8022640565881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5166491 + ... + 6537423.

It is an arithmetic number, because the mean of its divisors is an integer number (1029940900713).

Almost surely, 2^{8022640965881} is an apocalyptic number.

It is an amenable number.

8022640965881 is a deficient number, since it is larger than the sum of its proper divisors (216886239823).

8022640965881 is a wasteful number, since it uses less digits than its factorization.

8022640965881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529131.

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 8022640965881 in words is "eight trillion, twenty-two billion, six hundred forty million, nine hundred sixty-five thousand, eight hundred eighty-one".