987898788 has 48 divisors (see below), whose sum is σ = 2567718720. Its totient is φ = 328464000.

The previous prime is 987898763. The next prime is 987898789. The reversal of 987898788 is 887898789.

It is not an unprimeable number, because it can be changed into a prime (987898789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31903 + ... + 54713.

It is an arithmetic number, because the mean of its divisors is an integer number (53494140).

Almost surely, 2^987898788 is an apocalyptic number.

It is an amenable number.

987898788 is an abundant number, since it is smaller than the sum of its proper divisors (1579819932).

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

987898788 is a wasteful number, since it uses less digits than its factorization.

987898788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23225 (or 23217 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 72.

The square root of 987898788 is about 31430.8572584332. The cubic root of 987898788 is about 995.9498813509.

Subtracting from 987898788 its reverse (887898789), we obtain a palindrome (99999999).

The spelling of 987898788 in words is "nine hundred eighty-seven million, eight hundred ninety-eight thousand, seven hundred eighty-eight".