8505127732 has 12 divisors (see below), whose sum is σ = 14885530660. Its totient is φ = 4252118976.

The previous prime is 8505127711. The next prime is 8505127747. The reversal of 8505127732 is 2377215058.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7638060816 + 867066916 = 87396^2 + 29446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66183 + ... + 146254.

Almost surely, 2^8505127732 is an apocalyptic number.

It is an amenable number.

8505127732 is a deficient number, since it is larger than the sum of its proper divisors (6380402928).

8505127732 is a wasteful number, since it uses less digits than its factorization.

8505127732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222450 (or 222448 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 8505127732 is about 92223.2494114147. The cubic root of 8505127732 is about 2041.2378534332.

The spelling of 8505127732 in words is "eight billion, five hundred five million, one hundred twenty-seven thousand, seven hundred thirty-two".