8987732918 has 16 divisors (see below), whose sum is σ = 13870755360. Its totient is φ = 4365105600.

The previous prime is 8987732893. The next prime is 8987732927. The reversal of 8987732918 is 8192377898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220538 + ... + 258093.

It is an arithmetic number, because the mean of its divisors is an integer number (866922210).

Almost surely, 2^8987732918 is an apocalyptic number.

8987732918 is a deficient number, since it is larger than the sum of its proper divisors (4883022442).

8987732918 is a wasteful number, since it uses less digits than its factorization.

8987732918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478903.

The product of its digits is 12192768, while the sum is 62.

The square root of 8987732918 is about 94803.6545603596. The cubic root of 8987732918 is about 2079.1383356181.

The spelling of 8987732918 in words is "eight billion, nine hundred eighty-seven million, seven hundred thirty-two thousand, nine hundred eighteen".