9671578852 has 12 divisors (see below), whose sum is σ = 18227206396. Its totient is φ = 4463805600.

The previous prime is 9671578837. The next prime is 9671578859. The reversal of 9671578852 is 2588751769.

It can be written as a sum of positive squares in 2 ways, for example, as 5141750436 + 4529828416 = 71706^2 + 67304^2 .

It is not an unprimeable number, because it can be changed into a prime (9671578859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92995899 + ... + 92996002.

Almost surely, 2^9671578852 is an apocalyptic number.

It is an amenable number.

9671578852 is a deficient number, since it is larger than the sum of its proper divisors (8555627544).

9671578852 is a wasteful number, since it uses less digits than its factorization.

9671578852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185991918 (or 185991916 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 58.

The square root of 9671578852 is about 98344.1856542622. The cubic root of 9671578852 is about 2130.5862781058.

The spelling of 9671578852 in words is "nine billion, six hundred seventy-one million, five hundred seventy-eight thousand, eight hundred fifty-two".