98816999 has 2 divisors, whose sum is σ = 98817000. Its totient is φ = 98816998.

The previous prime is 98816987. The next prime is 98817001. The reversal of 98816999 is 99961889.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98816999 is a prime.

It is a Sophie Germain prime.

Together with 98817001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98816099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49408499 + 49408500.

It is an arithmetic number, because the mean of its divisors is an integer number (49408500).

Almost surely, 2^98816999 is an apocalyptic number.

98816999 is a deficient number, since it is larger than the sum of its proper divisors (1).

98816999 is an equidigital number, since it uses as much as digits as its factorization.

98816999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 59.

The square root of 98816999 is about 9940.6739711148. The cubic root of 98816999 is about 462.3212831780.

The spelling of 98816999 in words is "ninety-eight million, eight hundred sixteen thousand, nine hundred ninety-nine".