9910000889 has 2 divisors, whose sum is σ = 9910000890. Its totient is φ = 9910000888.

The previous prime is 9910000861. The next prime is 9910000913. The reversal of 9910000889 is 9880000199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6645021289 + 3264979600 = 81517^2 + 57140^2 .

It is an emirp because it is prime and its reverse (9880000199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9910000889 - 2²⁸ = 9641565433 is a prime.

It is not a weakly prime, because it can be changed into another prime (9910000589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4955000444 + 4955000445.

It is an arithmetic number, because the mean of its divisors is an integer number (4955000445).

Almost surely, 2^9910000889 is an apocalyptic number.

It is an amenable number.

9910000889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9910000889 is an equidigital number, since it uses as much as digits as its factorization.

9910000889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 9910000889 is about 99548.9873830970. The cubic root of 9910000889 is about 2147.9519627435.

The spelling of 9910000889 in words is "nine billion, nine hundred ten million, eight hundred eighty-nine", and thus it is an aban number.