987760 has 20 divisors (see below), whose sum is σ = 2296728. Its totient is φ = 395072.

The previous prime is 987739. The next prime is 987793. The reversal of 987760 is 67789.

It is a tau number, because it is divible by the number of its divisors (20).

It is a nialpdrome in base 10.

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, 6094 + ... + 6253.

2⁹⁸⁷⁷⁶⁰ is an apocalyptic number.

It is an amenable number.

987760 is an abundant number, since it is smaller than the sum of its proper divisors (1308968).

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

987760 is a wasteful number, since it uses less digits than its factorization.

987760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360 (or 12354 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 987760 is about 993.8611573052. The cubic root of 987760 is about 99.5903239472.

The spelling of 987760 in words is "nine hundred eighty-seven thousand, seven hundred sixty".