8679669745 has 4 divisors (see below), whose sum is σ = 10415603700. Its totient is φ = 6943735792.

The previous prime is 8679669683. The next prime is 8679669749. The reversal of 8679669745 is 5479669768.

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 1258191841 + 7421477904 = 35471^2 + 86148^2 .

It is a cyclic number.

It is not a de Polignac number, because 8679669745 - 2¹³ = 8679661553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8679669749) 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, 867966970 + ... + 867966979.

It is an arithmetic number, because the mean of its divisors is an integer number (2603900925).

Almost surely, 2^8679669745 is an apocalyptic number.

It is an amenable number.

8679669745 is a deficient number, since it is larger than the sum of its proper divisors (1735933955).

8679669745 is a wasteful number, since it uses less digits than its factorization.

8679669745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735933954.

The product of its digits is 137168640, while the sum is 67.

The square root of 8679669745 is about 93164.7451829285. The cubic root of 8679669745 is about 2055.1068191367.

The spelling of 8679669745 in words is "eight billion, six hundred seventy-nine million, six hundred sixty-nine thousand, seven hundred forty-five".