8479109 has 2 divisors, whose sum is σ = 8479110. Its totient is φ = 8479108.

The previous prime is 8479057. The next prime is 8479117. The reversal of 8479109 is 9019748.

8479109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7317025 + 1162084 = 2705^2 + 1078^2 .

It is a cyclic number.

It is not a de Polignac number, because 8479109 - 2⁸ = 8478853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8479199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239554 + 4239555.

It is an arithmetic number, because the mean of its divisors is an integer number (4239555).

Almost surely, 2^8479109 is an apocalyptic number.

It is an amenable number.

8479109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8479109 is an equidigital number, since it uses as much as digits as its factorization.

8479109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 8479109 is about 2911.8909663653. The cubic root of 8479109 is about 203.9154221350.

The spelling of 8479109 in words is "eight million, four hundred seventy-nine thousand, one hundred nine".