8679009245 has 4 divisors (see below), whose sum is σ = 10414811100. Its totient is φ = 6943207392.

The previous prime is 8679009239. The next prime is 8679009247. The reversal of 8679009245 is 5429009768.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4639516996 + 4039492249 = 68114^2 + 63557^2 .

It is a cyclic number.

It is not a de Polignac number, because 8679009245 - 2¹² = 8679005149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8679009193 and 8679009202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8679009247) 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, 867900920 + ... + 867900929.

It is an arithmetic number, because the mean of its divisors is an integer number (2603702775).

Almost surely, 2^8679009245 is an apocalyptic number.

It is an amenable number.

8679009245 is a deficient number, since it is larger than the sum of its proper divisors (1735801855).

8679009245 is a wasteful number, since it uses less digits than its factorization.

8679009245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735801854.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 8679009245 is about 93161.2003196610. The cubic root of 8679009245 is about 2055.0546884095.

The spelling of 8679009245 in words is "eight billion, six hundred seventy-nine million, nine thousand, two hundred forty-five".