99851107 has 2 divisors, whose sum is σ = 99851108. Its totient is φ = 99851106.

The previous prime is 99851057. The next prime is 99851111. The reversal of 99851107 is 70115899.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99851107 - 2¹⁹ = 99326819 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99851107.

It is not a weakly prime, because it can be changed into another prime (99861107) 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, 49925553 + 49925554.

It is an arithmetic number, because the mean of its divisors is an integer number (49925554).

Almost surely, 2^99851107 is an apocalyptic number.

99851107 is a deficient number, since it is larger than the sum of its proper divisors (1).

99851107 is an equidigital number, since it uses as much as digits as its factorization.

99851107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 99851107 is about 9992.5525767944. The cubic root of 99851107 is about 463.9284022379.

The spelling of 99851107 in words is "ninety-nine million, eight hundred fifty-one thousand, one hundred seven".