8636747216 has 10 divisors (see below), whose sum is σ = 16733697762. Its totient is φ = 4318373600.

The previous prime is 8636747191. The next prime is 8636747239. The reversal of 8636747216 is 6127476368.

It can be written as a sum of positive squares in only one way, i.e., 8209084816 + 427662400 = 90604^2 + 20680^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 269898335 + ... + 269898366.

Almost surely, 2^8636747216 is an apocalyptic number.

It is an amenable number.

8636747216 is a deficient number, since it is larger than the sum of its proper divisors (8096950546).

8636747216 is a wasteful number, since it uses less digits than its factorization.

8636747216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539796709 (or 539796703 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 8636747216 is about 92934.1014698049. The cubic root of 8636747216 is about 2051.7135952453.

The spelling of 8636747216 in words is "eight billion, six hundred thirty-six million, seven hundred forty-seven thousand, two hundred sixteen".