8402447099 has 2 divisors, whose sum is σ = 8402447100. Its totient is φ = 8402447098.

The previous prime is 8402447089. The next prime is 8402447117. The reversal of 8402447099 is 9907442048.

8402447099 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8402447099 is a prime.

It is a super-3 number, since 3×8402447099³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (8402447089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4201223549 + 4201223550.

It is an arithmetic number, because the mean of its divisors is an integer number (4201223550).

Almost surely, 2^8402447099 is an apocalyptic number.

8402447099 is a deficient number, since it is larger than the sum of its proper divisors (1).

8402447099 is an equidigital number, since it uses as much as digits as its factorization.

8402447099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 8402447099 is about 91664.8629464966. The cubic root of 8402447099 is about 2032.9900930758.

The spelling of 8402447099 in words is "eight billion, four hundred two million, four hundred forty-seven thousand, ninety-nine".