987876568 has 16 divisors (see below), whose sum is σ = 2116878480. Its totient is φ = 423375648.

The previous prime is 987876553. The next prime is 987876577. The reversal of 987876568 is 865678789.

It is a super-2 number, since 2×987876568² = 1951800227206917248, which contains 22 as substring.

It is a congruent number.

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, 8820271 + ... + 8820382.

It is an arithmetic number, because the mean of its divisors is an integer number (132304905).

Almost surely, 2^987876568 is an apocalyptic number.

It is an amenable number.

987876568 is an abundant number, since it is smaller than the sum of its proper divisors (1129001912).

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

987876568 is a wasteful number, since it uses less digits than its factorization.

987876568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640666 (or 17640662 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 64.

The square root of 987876568 is about 31430.5037821540. The cubic root of 987876568 is about 995.9424142660.

The spelling of 987876568 in words is "nine hundred eighty-seven million, eight hundred seventy-six thousand, five hundred sixty-eight".