98992559 has 2 divisors, whose sum is σ = 98992560. Its totient is φ = 98992558.

The previous prime is 98992541. The next prime is 98992561. The reversal of 98992559 is 95529989.

It is a strong prime.

It is an emirp because it is prime and its reverse (95529989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98992559 - 2²⁰ = 97943983 is a prime.

Together with 98992561, 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 (98992519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49496279 + 49496280.

It is an arithmetic number, because the mean of its divisors is an integer number (49496280).

Almost surely, 2^98992559 is an apocalyptic number.

98992559 is a deficient number, since it is larger than the sum of its proper divisors (1).

98992559 is an equidigital number, since it uses as much as digits as its factorization.

98992559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 56.

The square root of 98992559 is about 9949.5004397206. The cubic root of 98992559 is about 462.5949105438.

The spelling of 98992559 in words is "ninety-eight million, nine hundred ninety-two thousand, five hundred fifty-nine".