987098788 has 12 divisors (see below), whose sum is σ = 1860301660. Its totient is φ = 455584032.

The previous prime is 987098779. The next prime is 987098789. The reversal of 987098788 is 887890789.

It can be written as a sum of positive squares in 2 ways, for example, as 82773604 + 904325184 = 9098^2 + 30072^2 .

It is not an unprimeable number, because it can be changed into a prime (987098789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9491283 + ... + 9491386.

Almost surely, 2^987098788 is an apocalyptic number.

It is an amenable number.

987098788 is a deficient number, since it is larger than the sum of its proper divisors (873202872).

987098788 is a wasteful number, since it uses less digits than its factorization.

987098788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18982686 (or 18982684 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 64.

The square root of 987098788 is about 31418.1283338139. The cubic root of 987098788 is about 995.6809688255.

The spelling of 987098788 in words is "nine hundred eighty-seven million, ninety-eight thousand, seven hundred eighty-eight".