99259999 has 2 divisors, whose sum is σ = 99260000. Its totient is φ = 99259998.

The previous prime is 99259997. The next prime is 99260017. The reversal of 99259999 is 99995299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99259999 - 2¹ = 99259997 is a prime.

It is a super-3 number, since 3×99259999³ (a number of 25 digits) contains 333 as substring.

Together with 99259997, it forms a pair of twin primes.

99259999 is a modest number, since divided by 9999 gives 9925 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99259997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49629999 + 49630000.

It is an arithmetic number, because the mean of its divisors is an integer number (49630000).

Almost surely, 2^99259999 is an apocalyptic number.

99259999 is a deficient number, since it is larger than the sum of its proper divisors (1).

99259999 is an equidigital number, since it uses as much as digits as its factorization.

99259999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5314410, while the sum is 61.

The square root of 99259999 is about 9962.9312453715. The cubic root of 99259999 is about 463.0111207439.

The spelling of 99259999 in words is "ninety-nine million, two hundred fifty-nine thousand, nine hundred ninety-nine".