8895312889 has 2 divisors, whose sum is σ = 8895312890. Its totient is φ = 8895312888.

The previous prime is 8895312871. The next prime is 8895312901. The reversal of 8895312889 is 9882135988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4578822889 + 4316490000 = 67667^2 + 65700^2 .

It is a cyclic number.

It is not a de Polignac number, because 8895312889 - 2²⁵ = 8861758457 is a prime.

It is not a weakly prime, because it can be changed into another prime (8895312589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4447656444 + 4447656445.

It is an arithmetic number, because the mean of its divisors is an integer number (4447656445).

Almost surely, 2^8895312889 is an apocalyptic number.

It is an amenable number.

8895312889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8895312889 is an equidigital number, since it uses as much as digits as its factorization.

8895312889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 61.

The square root of 8895312889 is about 94314.9664104271. The cubic root of 8895312889 is about 2071.9872386856.

The spelling of 8895312889 in words is "eight billion, eight hundred ninety-five million, three hundred twelve thousand, eight hundred eighty-nine".