99547319 has 2 divisors, whose sum is σ = 99547320. Its totient is φ = 99547318.

The previous prime is 99547313. The next prime is 99547321. The reversal of 99547319 is 91374599.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99547319 is a prime.

It is a super-2 number, since 2×99547319² = 19819337440175522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 99547321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99547313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49773659 + 49773660.

It is an arithmetic number, because the mean of its divisors is an integer number (49773660).

Almost surely, 2^99547319 is an apocalyptic number.

99547319 is a deficient number, since it is larger than the sum of its proper divisors (1).

99547319 is an equidigital number, since it uses as much as digits as its factorization.

99547319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 47.

The square root of 99547319 is about 9977.3402768473. The cubic root of 99547319 is about 463.4574374985.

The spelling of 99547319 in words is "ninety-nine million, five hundred forty-seven thousand, three hundred nineteen".