987738988 has 12 divisors (see below), whose sum is σ = 1784302912. Its totient is φ = 477938160.

The previous prime is 987738977. The next prime is 987739003. The reversal of 987738988 is 889837789.

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, 3982695 + ... + 3982942.

Almost surely, 2^987738988 is an apocalyptic number.

It is an amenable number.

987738988 is a deficient number, since it is larger than the sum of its proper divisors (796563924).

987738988 is a wasteful number, since it uses less digits than its factorization.

987738988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965672 (or 7965670 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 67.

The square root of 987738988 is about 31428.3150677856. The cubic root of 987738988 is about 995.8961776803.

The spelling of 987738988 in words is "nine hundred eighty-seven million, seven hundred thirty-eight thousand, nine hundred eighty-eight".