987953712 has 80 divisors (see below), whose sum is σ = 2621915520. Its totient is φ = 320371200.

The previous prime is 987953699. The next prime is 987953777. The reversal of 987953712 is 217359789.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217787 + ... + 1218597.

It is an arithmetic number, because the mean of its divisors is an integer number (32773944).

Almost surely, 2^987953712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987953712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310957760).

987953712 is an abundant number, since it is smaller than the sum of its proper divisors (1633961808).

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

987953712 is a wasteful number, since it uses less digits than its factorization.

987953712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1476 counting only the distinct ones).

The product of its digits is 952560, while the sum is 51.

The square root of 987953712 is about 31431.7309736515. The cubic root of 987953712 is about 995.9683382139.

The spelling of 987953712 in words is "nine hundred eighty-seven million, nine hundred fifty-three thousand, seven hundred twelve".