98889317 has 2 divisors, whose sum is σ = 98889318. Its totient is φ = 98889316.

The previous prime is 98889257. The next prime is 98889337. The reversal of 98889317 is 71398889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79405921 + 19483396 = 8911^2 + 4414^2 .

It is a cyclic number.

It is not a de Polignac number, because 98889317 - 2¹² = 98885221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98889337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49444658 + 49444659.

It is an arithmetic number, because the mean of its divisors is an integer number (49444659).

Almost surely, 2^98889317 is an apocalyptic number.

It is an amenable number.

98889317 is a deficient number, since it is larger than the sum of its proper divisors (1).

98889317 is an equidigital number, since it uses as much as digits as its factorization.

98889317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 53.

The square root of 98889317 is about 9944.3107855698. The cubic root of 98889317 is about 462.4340370499.

The spelling of 98889317 in words is "ninety-eight million, eight hundred eighty-nine thousand, three hundred seventeen".