8523456679 has 4 divisors (see below), whose sum is σ = 8894041776. Its totient is φ = 8152871584.

The previous prime is 8523456629. The next prime is 8523456709. The reversal of 8523456679 is 9766543258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8523456679 - 2⁹ = 8523456167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8523456629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185292514 + ... + 185292559.

It is an arithmetic number, because the mean of its divisors is an integer number (2223510444).

Almost surely, 2^8523456679 is an apocalyptic number.

8523456679 is a deficient number, since it is larger than the sum of its proper divisors (370585097).

8523456679 is a wasteful number, since it uses less digits than its factorization.

8523456679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370585096.

The product of its digits is 10886400, while the sum is 55.

The square root of 8523456679 is about 92322.5686330271. The cubic root of 8523456679 is about 2042.7031222930.

The spelling of 8523456679 in words is "eight billion, five hundred twenty-three million, four hundred fifty-six thousand, six hundred seventy-nine".