987867576 has 80 divisors (see below), whose sum is σ = 2856258240. Its totient is φ = 318660480.

The previous prime is 987867563. The next prime is 987867581. The reversal of 987867576 is 675768789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4501 + ... + 44676.

It is an arithmetic number, because the mean of its divisors is an integer number (35703228).

Almost surely, 2^987867576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987867576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428129120).

987867576 is an abundant number, since it is smaller than the sum of its proper divisors (1868390664).

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

987867576 is a wasteful number, since it uses less digits than its factorization.

987867576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49226 (or 49213 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The square root of 987867576 is about 31430.3607360781. The cubic root of 987867576 is about 995.9393924508.

The spelling of 987867576 in words is "nine hundred eighty-seven million, eight hundred sixty-seven thousand, five hundred seventy-six".