987897168 has 40 divisors (see below), whose sum is σ = 2835632000. Its totient is φ = 329298912.

The previous prime is 987897161. The next prime is 987897187. The reversal of 987897168 is 861798789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987897161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142968 + ... + 1143831.

It is an arithmetic number, because the mean of its divisors is an integer number (70890800).

Almost surely, 2^987897168 is an apocalyptic number.

It is an amenable number.

987897168 is an abundant number, since it is smaller than the sum of its proper divisors (1847734832).

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

987897168 is a wasteful number, since it uses less digits than its factorization.

987897168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286816 (or 2286804 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 63.

The square root of 987897168 is about 31430.8314875697. The cubic root of 987897168 is about 995.9493369498.

The spelling of 987897168 in words is "nine hundred eighty-seven million, eight hundred ninety-seven thousand, one hundred sixty-eight".