8523574216 has 8 divisors (see below), whose sum is σ = 15981701670. Its totient is φ = 4261787104.

The previous prime is 8523574187. The next prime is 8523574231. The reversal of 8523574216 is 6124753258.

It can be written as a sum of positive squares in only one way, i.e., 6782181316 + 1741392900 = 82354^2 + 41730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532723381 + ... + 532723396.

Almost surely, 2^8523574216 is an apocalyptic number.

It is an amenable number.

8523574216 is a deficient number, since it is larger than the sum of its proper divisors (7458127454).

8523574216 is a wasteful number, since it uses less digits than its factorization.

8523574216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065446783 (or 1065446779 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 8523574216 is about 92323.2051869951. The cubic root of 8523574216 is about 2042.7125117579.

The spelling of 8523574216 in words is "eight billion, five hundred twenty-three million, five hundred seventy-four thousand, two hundred sixteen".