987583628 has 12 divisors (see below), whose sum is σ = 1729115640. Its totient is φ = 493550592.

The previous prime is 987583627. The next prime is 987583631. The reversal of 987583628 is 826385789.

It is not an unprimeable number, because it can be changed into a prime (987583621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50933 + ... + 67596.

It is an arithmetic number, because the mean of its divisors is an integer number (144092970).

Almost surely, 2^987583628 is an apocalyptic number.

It is an amenable number.

987583628 is a deficient number, since it is larger than the sum of its proper divisors (741532012).

987583628 is a wasteful number, since it uses less digits than its factorization.

987583628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120616 (or 120614 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The square root of 987583628 is about 31425.8433140624. The cubic root of 987583628 is about 995.8439605984.

The spelling of 987583628 in words is "nine hundred eighty-seven million, five hundred eighty-three thousand, six hundred twenty-eight".