99469999 has 2 divisors, whose sum is σ = 99470000. Its totient is φ = 99469998.

The previous prime is 99469991. The next prime is 99470017. The reversal of 99469999 is 99996499.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99469999 - 2³ = 99469991 is a prime.

99469999 is a modest number, since divided by 9999 gives 9946 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 99469999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99469991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49734999 + 49735000.

It is an arithmetic number, because the mean of its divisors is an integer number (49735000).

Almost surely, 2^99469999 is an apocalyptic number.

99469999 is a deficient number, since it is larger than the sum of its proper divisors (1).

99469999 is an equidigital number, since it uses as much as digits as its factorization.

99469999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12754584, while the sum is 64.

The square root of 99469999 is about 9973.4647440095. The cubic root of 99469999 is about 463.3374148091.

The spelling of 99469999 in words is "ninety-nine million, four hundred sixty-nine thousand, nine hundred ninety-nine".