987877568 has 14 divisors (see below), whose sum is σ = 1960319676. Its totient is φ = 493938752.

The previous prime is 987877543. The next prime is 987877613. The reversal of 987877568 is 865778789.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7717730 + ... + 7717857.

It is an arithmetic number, because the mean of its divisors is an integer number (140022834).

Almost surely, 2^987877568 is an apocalyptic number.

It is an amenable number.

987877568 is a deficient number, since it is larger than the sum of its proper divisors (972442108).

987877568 is a wasteful number, since it uses less digits than its factorization.

987877568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15435599 (or 15435589 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 65.

The square root of 987877568 is about 31430.5196902628. The cubic root of 987877568 is about 995.9427503209.

The spelling of 987877568 in words is "nine hundred eighty-seven million, eight hundred seventy-seven thousand, five hundred sixty-eight".