987388760 has 32 divisors (see below), whose sum is σ = 2231180640. Its totient is φ = 393256704.

The previous prime is 987388757. The next prime is 987388783. The reversal of 987388760 is 67883789.

It is a junction number, because it is equal to n+sod(n) for n = 987388696 and 987388705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43652 + ... + 62291.

It is an arithmetic number, because the mean of its divisors is an integer number (69724395).

Almost surely, 2^987388760 is an apocalyptic number.

It is an amenable number.

987388760 is an abundant number, since it is smaller than the sum of its proper divisors (1243791880).

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

987388760 is a wasteful number, since it uses less digits than its factorization.

987388760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106187 (or 106183 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 987388760 is about 31422.7427192472. The cubic root of 987388760 is about 995.7784569859.

The spelling of 987388760 in words is "nine hundred eighty-seven million, three hundred eighty-eight thousand, seven hundred sixty".