8986643516 has 12 divisors (see below), whose sum is σ = 15760305288. Its totient is φ = 4483699152.

The previous prime is 8986643441. The next prime is 8986643521. The reversal of 8986643516 is 6153466898.

It is a happy number.

It is a super-3 number, since 3×8986643516³ (a number of 31 digits) contains 333 as substring.

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, 2403551 + ... + 2407286.

It is an arithmetic number, because the mean of its divisors is an integer number (1313358774).

Almost surely, 2^8986643516 is an apocalyptic number.

It is an amenable number.

8986643516 is a deficient number, since it is larger than the sum of its proper divisors (6773661772).

8986643516 is a wasteful number, since it uses less digits than its factorization.

8986643516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811308 (or 4811306 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The square root of 8986643516 is about 94797.9088165978. The cubic root of 8986643516 is about 2079.0543281900.

The spelling of 8986643516 in words is "eight billion, nine hundred eighty-six million, six hundred forty-three thousand, five hundred sixteen".