99897353 has 2 divisors, whose sum is σ = 99897354. Its totient is φ = 99897352.

The previous prime is 99897341. The next prime is 99897359. The reversal of 99897353 is 35379899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62283664 + 37613689 = 7892^2 + 6133^2 .

It is an emirp because it is prime and its reverse (35379899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99897353 - 2⁴ = 99897337 is a prime.

It is a super-2 number, since 2×99897353² = 19958962272813218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99897295 and 99897304.

It is not a weakly prime, because it can be changed into another prime (99897359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49948676 + 49948677.

It is an arithmetic number, because the mean of its divisors is an integer number (49948677).

Almost surely, 2^99897353 is an apocalyptic number.

It is an amenable number.

99897353 is a deficient number, since it is larger than the sum of its proper divisors (1).

99897353 is an equidigital number, since it uses as much as digits as its factorization.

99897353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 53.

The square root of 99897353 is about 9994.8663322728. The cubic root of 99897353 is about 464.0000139343. Note that the first 4 decimals are identical.

The spelling of 99897353 in words is "ninety-nine million, eight hundred ninety-seven thousand, three hundred fifty-three".