987760728 has 48 divisors (see below), whose sum is σ = 2681078400. Its totient is φ = 328528320.

The previous prime is 987760727. The next prime is 987760729. The reversal of 987760728 is 827067789.

987760728 is a `hidden beast` number, since 9 + 8 + 7 + 7 + 607 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (987760727) and next prime (987760729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987760727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18313 + ... + 48071.

It is an arithmetic number, because the mean of its divisors is an integer number (55855800).

Almost surely, 2^987760728 is an apocalyptic number.

It is an amenable number.

987760728 is an abundant number, since it is smaller than the sum of its proper divisors (1693317672).

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

987760728 is a wasteful number, since it uses less digits than its factorization.

987760728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30232 (or 30225 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The square root of 987760728 is about 31428.6609323401. The cubic root of 987760728 is about 995.9034841396.

The spelling of 987760728 in words is "nine hundred eighty-seven million, seven hundred sixty thousand, seven hundred twenty-eight".