8515635852 has 54 divisors (see below), whose sum is σ = 21120861972. Its totient is φ = 2669867136.

The previous prime is 8515635847. The next prime is 8515635889. The reversal of 8515635852 is 2585365158.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5433573 + ... + 5435139.

Almost surely, 2^8515635852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8515635852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10560430986).

8515635852 is an abundant number, since it is smaller than the sum of its proper divisors (12605226120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8515635852 is a wasteful number, since it uses less digits than its factorization.

8515635852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175 (or 1589 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 48.

The square root of 8515635852 is about 92280.2029256546. The cubic root of 8515635852 is about 2042.0781600250.

Multiplying 8515635852 by its sum of digits (48), we get a square (408750520896 = 639336²).

The spelling of 8515635852 in words is "eight billion, five hundred fifteen million, six hundred thirty-five thousand, eight hundred fifty-two".