987057288 has 192 divisors, whose sum is σ = 3216769920. Its totient is φ = 267494400.

The previous prime is 987057263. The next prime is 987057289. The reversal of 987057288 is 882750789.

It is not an unprimeable number, because it can be changed into a prime (987057289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 763923 + ... + 765213.

It is an arithmetic number, because the mean of its divisors is an integer number (16754010).

Almost surely, 2^987057288 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 987057288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608384960).

987057288 is an abundant number, since it is smaller than the sum of its proper divisors (2229712632).

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

987057288 is a wasteful number, since it uses less digits than its factorization.

987057288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The square root of 987057288 is about 31417.4678801459. The cubic root of 987057288 is about 995.6670150248.

The spelling of 987057288 in words is "nine hundred eighty-seven million, fifty-seven thousand, two hundred eighty-eight".