987618480 has 160 divisors (see below), whose sum is σ = 3253958400. Its totient is φ = 247090176.

The previous prime is 987618469. The next prime is 987618497. The reversal of 987618480 is 84816789.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496047 + ... + 498033.

It is an arithmetic number, because the mean of its divisors is an integer number (20337240).

Almost surely, 2^987618480 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 987618480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626979200).

987618480 is an abundant number, since it is smaller than the sum of its proper divisors (2266339920).

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

987618480 is a wasteful number, since it uses less digits than its factorization.

987618480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 987618480 is about 31426.3978209403. The cubic root of 987618480 is about 995.8556749635.

The spelling of 987618480 in words is "nine hundred eighty-seven million, six hundred eighteen thousand, four hundred eighty".