8008520893 has 2 divisors, whose sum is σ = 8008520894. Its totient is φ = 8008520892.

The previous prime is 8008520869. The next prime is 8008520951. The reversal of 8008520893 is 3980258008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7086609124 + 921911769 = 84182^2 + 30363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8008520893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8008560893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004260446 + 4004260447.

It is an arithmetic number, because the mean of its divisors is an integer number (4004260447).

Almost surely, 2^8008520893 is an apocalyptic number.

It is an amenable number.

8008520893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8008520893 is an equidigital number, since it uses as much as digits as its factorization.

8008520893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 8008520893 is about 89490.3396630050. The cubic root of 8008520893 is about 2000.7098224629.

The spelling of 8008520893 in words is "eight billion, eight million, five hundred twenty thousand, eight hundred ninety-three".