99857347 has 2 divisors, whose sum is σ = 99857348. Its totient is φ = 99857346.

The previous prime is 99857321. The next prime is 99857363. The reversal of 99857347 is 74375899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99857347 - 2¹¹ = 99855299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99857294 and 99857303.

It is not a weakly prime, because it can be changed into another prime (99857047) 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, 49928673 + 49928674.

It is an arithmetic number, because the mean of its divisors is an integer number (49928674).

Almost surely, 2^99857347 is an apocalyptic number.

99857347 is a deficient number, since it is larger than the sum of its proper divisors (1).

99857347 is an equidigital number, since it uses as much as digits as its factorization.

99857347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The square root of 99857347 is about 9992.8648044492. The cubic root of 99857347 is about 463.9380661365.

The spelling of 99857347 in words is "ninety-nine million, eight hundred fifty-seven thousand, three hundred forty-seven".