8525132864 has 14 divisors (see below), whose sum is σ = 16917060654. Its totient is φ = 4262566400.

The previous prime is 8525132797. The next prime is 8525132887. The reversal of 8525132864 is 4682315258.

It can be written as a sum of positive squares in only one way, i.e., 7294526464 + 1230606400 = 85408^2 + 35080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66602537 + ... + 66602664.

Almost surely, 2^8525132864 is an apocalyptic number.

It is an amenable number.

8525132864 is a deficient number, since it is larger than the sum of its proper divisors (8391927790).

8525132864 is a wasteful number, since it uses less digits than its factorization.

8525132864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133205213 (or 133205203 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 8525132864 is about 92331.6460591925. The cubic root of 8525132864 is about 2042.8370164801.

The spelling of 8525132864 in words is "eight billion, five hundred twenty-five million, one hundred thirty-two thousand, eight hundred sixty-four".