8020422917 has 8 divisors (see below), whose sum is σ = 8638772856. Its totient is φ = 7402272192.

The previous prime is 8020422887. The next prime is 8020422929. The reversal of 8020422917 is 7192240208.

It can be written as a sum of positive squares in 4 ways, for example, as 500237956 + 7520184961 = 22366^2 + 86719^2 .

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 8020422917 - 2⁶ = 8020422853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020422997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39803 + ... + 132759.

It is an arithmetic number, because the mean of its divisors is an integer number (1079846607).

Almost surely, 2^8020422917 is an apocalyptic number.

It is an amenable number.

8020422917 is a deficient number, since it is larger than the sum of its proper divisors (618349939).

8020422917 is a wasteful number, since it uses less digits than its factorization.

8020422917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99607.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 8020422917 is about 89556.8139060340. The cubic root of 8020422917 is about 2001.7004635521.

The spelling of 8020422917 in words is "eight billion, twenty million, four hundred twenty-two thousand, nine hundred seventeen".