987859950 has 288 divisors, whose sum is σ = 3191581440. Its totient is φ = 196416000.

The previous prime is 987859949. The next prime is 987859967. The reversal of 987859950 is 59958789.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11099506 + ... + 11099594.

It is an arithmetic number, because the mean of its divisors is an integer number (11081880).

Almost surely, 2^987859950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987859950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595790720).

987859950 is an abundant number, since it is smaller than the sum of its proper divisors (2203721490).

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

987859950 is a wasteful number, since it uses less digits than its factorization.

987859950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 60.

The square root of 987859950 is about 31430.2394200235. The cubic root of 987859950 is about 995.9368296737.

The spelling of 987859950 in words is "nine hundred eighty-seven million, eight hundred fifty-nine thousand, nine hundred fifty".