98158559 has 2 divisors, whose sum is σ = 98158560. Its totient is φ = 98158558.

The previous prime is 98158553. The next prime is 98158583. The reversal of 98158559 is 95585189.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98158559 - 2⁸ = 98158303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98158553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49079279 + 49079280.

It is an arithmetic number, because the mean of its divisors is an integer number (49079280).

Almost surely, 2^98158559 is an apocalyptic number.

98158559 is a deficient number, since it is larger than the sum of its proper divisors (1).

98158559 is an equidigital number, since it uses as much as digits as its factorization.

98158559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 50.

The square root of 98158559 is about 9907.5001387837. The cubic root of 98158559 is about 461.2921435826.

The spelling of 98158559 in words is "ninety-eight million, one hundred fifty-eight thousand, five hundred fifty-nine".