98863217 has 2 divisors, whose sum is σ = 98863218. Its totient is φ = 98863216.

The previous prime is 98863199. The next prime is 98863229. The reversal of 98863217 is 71236889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93683041 + 5180176 = 9679^2 + 2276^2 .

It is an emirp because it is prime and its reverse (71236889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98863217 - 2⁸ = 98862961 is a prime.

It is not a weakly prime, because it can be changed into another prime (98863717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49431608 + 49431609.

It is an arithmetic number, because the mean of its divisors is an integer number (49431609).

Almost surely, 2^98863217 is an apocalyptic number.

It is an amenable number.

98863217 is a deficient number, since it is larger than the sum of its proper divisors (1).

98863217 is an equidigital number, since it uses as much as digits as its factorization.

98863217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 98863217 is about 9942.9983908276. The cubic root of 98863217 is about 462.3933498428.

The spelling of 98863217 in words is "ninety-eight million, eight hundred sixty-three thousand, two hundred seventeen".