99104869 has 2 divisors, whose sum is σ = 99104870. Its totient is φ = 99104868.

The previous prime is 99104867. The next prime is 99104881. The reversal of 99104869 is 96840199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97812100 + 1292769 = 9890^2 + 1137^2 .

It is an emirp because it is prime and its reverse (96840199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99104869 - 2¹ = 99104867 is a prime.

It is a super-2 number, since 2×99104869² = 19643550119014322, which contains 22 as substring.

Together with 99104867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99104867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49552434 + 49552435.

It is an arithmetic number, because the mean of its divisors is an integer number (49552435).

Almost surely, 2^99104869 is an apocalyptic number.

It is an amenable number.

99104869 is a deficient number, since it is larger than the sum of its proper divisors (1).

99104869 is an equidigital number, since it uses as much as digits as its factorization.

99104869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 99104869 is about 9955.1428417678. The cubic root of 99104869 is about 462.7697869840.

The spelling of 99104869 in words is "ninety-nine million, one hundred four thousand, eight hundred sixty-nine".