99997067 has 2 divisors, whose sum is σ = 99997068. Its totient is φ = 99997066.

The previous prime is 99997063. The next prime is 99997069. The reversal of 99997067 is 76079999.

It is a strong prime.

It is an emirp because it is prime and its reverse (76079999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99997067 - 2² = 99997063 is a prime.

Together with 99997069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99997063) 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, 49998533 + 49998534.

It is an arithmetic number, because the mean of its divisors is an integer number (49998534).

Almost surely, 2^99997067 is an apocalyptic number.

99997067 is a deficient number, since it is larger than the sum of its proper divisors (1).

99997067 is an equidigital number, since it uses as much as digits as its factorization.

99997067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1928934, while the sum is 56.

The square root of 99997067 is about 9999.8533489247. The cubic root of 99997067 is about 464.1543453902.

The spelling of 99997067 in words is "ninety-nine million, nine hundred ninety-seven thousand, sixty-seven".