98899289 has 2 divisors, whose sum is σ = 98899290. Its totient is φ = 98899288.

The previous prime is 98899259. The next prime is 98899291. The reversal of 98899289 is 98299889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90402064 + 8497225 = 9508^2 + 2915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98899289 is a prime.

Together with 98899291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98899259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49449644 + 49449645.

It is an arithmetic number, because the mean of its divisors is an integer number (49449645).

Almost surely, 2^98899289 is an apocalyptic number.

It is an amenable number.

98899289 is a deficient number, since it is larger than the sum of its proper divisors (1).

98899289 is an equidigital number, since it uses as much as digits as its factorization.

98899289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 62.

The square root of 98899289 is about 9944.8121651442. The cubic root of 98899289 is about 462.4495804789.

The spelling of 98899289 in words is "ninety-eight million, eight hundred ninety-nine thousand, two hundred eighty-nine".