8642379560 has 32 divisors (see below), whose sum is σ = 19451167200. Its totient is φ = 3455918400.

The previous prime is 8642379521. The next prime is 8642379563. The reversal of 8642379560 is 659732468.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8642379499 and 8642379508.

It is not an unprimeable number, because it can be changed into a prime (8642379563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111035 + ... + 172085.

It is an arithmetic number, because the mean of its divisors is an integer number (607848975).

Almost surely, 2^8642379560 is an apocalyptic number.

It is an amenable number.

8642379560 is an abundant number, since it is smaller than the sum of its proper divisors (10808787640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8642379560 is a wasteful number, since it uses less digits than its factorization.

8642379560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64601 (or 64597 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 8642379560 is about 92964.3994225747. The cubic root of 8642379560 is about 2052.1594979042.

The spelling of 8642379560 in words is "eight billion, six hundred forty-two million, three hundred seventy-nine thousand, five hundred sixty".