987652788 has 12 divisors (see below), whose sum is σ = 2304523200. Its totient is φ = 329217592.

The previous prime is 987652781. The next prime is 987652793. The reversal of 987652788 is 887256789.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987652781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41152188 + ... + 41152211.

It is an arithmetic number, because the mean of its divisors is an integer number (192043600).

Almost surely, 2^987652788 is an apocalyptic number.

It is an amenable number.

987652788 is an abundant number, since it is smaller than the sum of its proper divisors (1316870412).

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

987652788 is a wasteful number, since it uses less digits than its factorization.

987652788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82304406 (or 82304404 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 60.

The square root of 987652788 is about 31426.9436630417. The cubic root of 987652788 is about 995.8672062115.

The spelling of 987652788 in words is "nine hundred eighty-seven million, six hundred fifty-two thousand, seven hundred eighty-eight".