99798529 has 2 divisors, whose sum is σ = 99798530. Its totient is φ = 99798528.

The previous prime is 99798527. The next prime is 99798533. The reversal of 99798529 is 92589799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80640400 + 19158129 = 8980^2 + 4377^2 .

It is a cyclic number.

It is not a de Polignac number, because 99798529 - 2¹ = 99798527 is a prime.

Together with 99798527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99798527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49899264 + 49899265.

It is an arithmetic number, because the mean of its divisors is an integer number (49899265).

Almost surely, 2^99798529 is an apocalyptic number.

It is an amenable number.

99798529 is a deficient number, since it is larger than the sum of its proper divisors (1).

99798529 is an equidigital number, since it uses as much as digits as its factorization.

99798529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 58.

The square root of 99798529 is about 9989.9213710619. The cubic root of 99798529 is about 463.8469586068.

The spelling of 99798529 in words is "ninety-nine million, seven hundred ninety-eight thousand, five hundred twenty-nine".