8563479 has 8 divisors (see below), whose sum is σ = 11519472. Its totient is φ = 5658240.

The previous prime is 8563463. The next prime is 8563481. The reversal of 8563479 is 9743658.

It is a happy number.

8563479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8563479 - 2⁴ = 8563463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8563479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8561479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12292 + ... + 12969.

It is an arithmetic number, because the mean of its divisors is an integer number (1439934).

Almost surely, 2^8563479 is an apocalyptic number.

8563479 is a deficient number, since it is larger than the sum of its proper divisors (2955993).

8563479 is a wasteful number, since it uses less digits than its factorization.

8563479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25377.

The product of its digits is 181440, while the sum is 42.

The square root of 8563479 is about 2926.3422561279. The cubic root of 8563479 is about 204.5895336294.

The spelling of 8563479 in words is "eight million, five hundred sixty-three thousand, four hundred seventy-nine".