99717347 has 2 divisors, whose sum is σ = 99717348. Its totient is φ = 99717346.

The previous prime is 99717337. The next prime is 99717367. The reversal of 99717347 is 74371799.

It is a weak prime.

It is an emirp because it is prime and its reverse (74371799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99717347 - 2¹⁸ = 99455203 is a prime.

It is not a weakly prime, because it can be changed into another prime (99717337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49858673 + 49858674.

It is an arithmetic number, because the mean of its divisors is an integer number (49858674).

Almost surely, 2^99717347 is an apocalyptic number.

99717347 is a deficient number, since it is larger than the sum of its proper divisors (1).

99717347 is an equidigital number, since it uses as much as digits as its factorization.

99717347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 47.

The square root of 99717347 is about 9985.8573492715. The cubic root of 99717347 is about 463.7211510111.

The spelling of 99717347 in words is "ninety-nine million, seven hundred seventeen thousand, three hundred forty-seven".