8890808137 has 2 divisors, whose sum is σ = 8890808138. Its totient is φ = 8890808136.

The previous prime is 8890808077. The next prime is 8890808177. The reversal of 8890808137 is 7318080988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8342264896 + 548543241 = 91336^2 + 23421^2 .

It is a cyclic number.

It is not a de Polignac number, because 8890808137 - 2²³ = 8882419529 is a prime.

It is not a weakly prime, because it can be changed into another prime (8890808177) 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, 4445404068 + 4445404069.

It is an arithmetic number, because the mean of its divisors is an integer number (4445404069).

Almost surely, 2^8890808137 is an apocalyptic number.

It is an amenable number.

8890808137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8890808137 is an equidigital number, since it uses as much as digits as its factorization.

8890808137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 52.

The square root of 8890808137 is about 94291.0819590061. The cubic root of 8890808137 is about 2071.6374153266.

The spelling of 8890808137 in words is "eight billion, eight hundred ninety million, eight hundred eight thousand, one hundred thirty-seven".