8259479 has 2 divisors, whose sum is σ = 8259480. Its totient is φ = 8259478.

The previous prime is 8259463. The next prime is 8259481. The reversal of 8259479 is 9749528.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8259479 - 2⁴ = 8259463 is a prime.

It is a Sophie Germain prime.

Together with 8259481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8259499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4129739 + 4129740.

It is an arithmetic number, because the mean of its divisors is an integer number (4129740).

Almost surely, 2^8259479 is an apocalyptic number.

8259479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8259479 is an equidigital number, since it uses as much as digits as its factorization.

8259479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 8259479 is about 2873.9309316683. The cubic root of 8259479 is about 202.1393591167.

The spelling of 8259479 in words is "eight million, two hundred fifty-nine thousand, four hundred seventy-nine".