8636806852 has 6 divisors (see below), whose sum is σ = 15114411998. Its totient is φ = 4318403424.

The previous prime is 8636806819. The next prime is 8636806861. The reversal of 8636806852 is 2586086368.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7398752256 + 1238054596 = 86016^2 + 35186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8636806852.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079600853 + ... + 1079600860.

Almost surely, 2^8636806852 is an apocalyptic number.

It is an amenable number.

8636806852 is a deficient number, since it is larger than the sum of its proper divisors (6477605146).

8636806852 is a wasteful number, since it uses less digits than its factorization.

8636806852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159201717 (or 2159201715 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The square root of 8636806852 is about 92934.4223202576. The cubic root of 8636806852 is about 2051.7183175366.

The spelling of 8636806852 in words is "eight billion, six hundred thirty-six million, eight hundred six thousand, eight hundred fifty-two".