987082320 has 80 divisors (see below), whose sum is σ = 3497097600. Its totient is φ = 225618432.

The previous prime is 987082303. The next prime is 987082351. The reversal of 987082320 is 23280789.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292095 + ... + 295454.

It is an arithmetic number, because the mean of its divisors is an integer number (43713720).

Almost surely, 2^987082320 is an apocalyptic number.

It is an amenable number.

987082320 is an abundant number, since it is smaller than the sum of its proper divisors (2510015280).

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

987082320 is a wasteful number, since it uses less digits than its factorization.

987082320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587572 (or 587566 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 987082320 is about 31417.8662547284. The cubic root of 987082320 is about 995.6754317352.

The spelling of 987082320 in words is "nine hundred eighty-seven million, eighty-two thousand, three hundred twenty".