99997069 has 2 divisors, whose sum is σ = 99997070. Its totient is φ = 99997068.

The previous prime is 99997067. The next prime is 99997081. The reversal of 99997069 is 96079999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67848169 + 32148900 = 8237^2 + 5670^2 .

It is an emirp because it is prime and its reverse (96079999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99997069 - 2¹ = 99997067 is a prime.

It is a super-2 number, since 2×99997069² = 19998827617181522, which contains 22 as substring.

Together with 99997067, it forms a pair of twin primes.

It is a congruent number.

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, 49998534 + 49998535.

It is an arithmetic number, because the mean of its divisors is an integer number (49998535).

Almost surely, 2^99997069 is an apocalyptic number.

It is an amenable number.

99997069 is a deficient number, since it is larger than the sum of its proper divisors (1).

99997069 is an equidigital number, since it uses as much as digits as its factorization.

99997069 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 99997069 is about 9999.8534489261. The cubic root of 99997069 is about 464.1543484847.

The spelling of 99997069 in words is "ninety-nine million, nine hundred ninety-seven thousand, sixty-nine".