987869088 has 192 divisors, whose sum is σ = 2997388800. Its totient is φ = 316293120.

The previous prime is 987869083. The next prime is 987869101. The reversal of 987869088 is 880968789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987869081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2798320 + ... + 2798672.

It is an arithmetic number, because the mean of its divisors is an integer number (15611400).

Almost surely, 2^987869088 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 987869088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498694400).

987869088 is an abundant number, since it is smaller than the sum of its proper divisors (2009519712).

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

987869088 is a wasteful number, since it uses less digits than its factorization.

987869088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The square root of 987869088 is about 31430.3847892449. The cubic root of 987869088 is about 995.9399005687.

The spelling of 987869088 in words is "nine hundred eighty-seven million, eight hundred sixty-nine thousand, eighty-eight".