9671579538 has 32 divisors (see below), whose sum is σ = 20402807040. Its totient is φ = 3047945040.

The previous prime is 9671579507. The next prime is 9671579539. The reversal of 9671579538 is 8359751769.

It is not an unprimeable number, because it can be changed into a prime (9671579539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30420 + ... + 142367.

It is an arithmetic number, because the mean of its divisors is an integer number (637587720).

Almost surely, 2^9671579538 is an apocalyptic number.

9671579538 is an abundant number, since it is smaller than the sum of its proper divisors (10731227502).

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

9671579538 is a wasteful number, since it uses less digits than its factorization.

9671579538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173302.

The product of its digits is 14288400, while the sum is 60.

The square root of 9671579538 is about 98344.1891420129. The cubic root of 9671579538 is about 2130.5863284796.

The spelling of 9671579538 in words is "nine billion, six hundred seventy-one million, five hundred seventy-nine thousand, five hundred thirty-eight".