99099967 has 2 divisors, whose sum is σ = 99099968. Its totient is φ = 99099966.

The previous prime is 99099961. The next prime is 99099977. The reversal of 99099967 is 76999099.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (76999099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99099967 - 2²³ = 90711359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99099961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49549983 + 49549984.

It is an arithmetic number, because the mean of its divisors is an integer number (49549984).

Almost surely, 2^99099967 is an apocalyptic number.

99099967 is a deficient number, since it is larger than the sum of its proper divisors (1).

99099967 is an equidigital number, since it uses as much as digits as its factorization.

99099967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2480058, while the sum is 58.

The square root of 99099967 is about 9954.8966343202. The cubic root of 99099967 is about 462.7621569018.

The spelling of 99099967 in words is "ninety-nine million, ninety-nine thousand, nine hundred sixty-seven".