8458679 has 2 divisors, whose sum is σ = 8458680. Its totient is φ = 8458678.

The previous prime is 8458663. The next prime is 8458721. The reversal of 8458679 is 9768548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8458679 - 2⁴ = 8458663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8458579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4229339 + 4229340.

It is an arithmetic number, because the mean of its divisors is an integer number (4229340).

Almost surely, 2^8458679 is an apocalyptic number.

8458679 is a deficient number, since it is larger than the sum of its proper divisors (1).

8458679 is an equidigital number, since it uses as much as digits as its factorization.

8458679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 8458679 is about 2908.3808210068. The cubic root of 8458679 is about 203.7515156649.

The spelling of 8458679 in words is "eight million, four hundred fifty-eight thousand, six hundred seventy-nine".