987467544 has 256 divisors, whose sum is σ = 3392640000. Its totient is φ = 259780608.

The previous prime is 987467543. The next prime is 987467561. The reversal of 987467544 is 445764789.

987467544 is a `hidden beast` number, since 98 + 7 + 4 + 6 + 7 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987467543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1062472 + ... + 1063400.

It is an arithmetic number, because the mean of its divisors is an integer number (13252500).

Almost surely, 2^987467544 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 987467544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696320000).

987467544 is an abundant number, since it is smaller than the sum of its proper divisors (2405172456).

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

987467544 is a wasteful number, since it uses less digits than its factorization.

987467544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 997 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 987467544 is about 31423.9963085538. The cubic root of 987467544 is about 995.8049407535.

The spelling of 987467544 in words is "nine hundred eighty-seven million, four hundred sixty-seven thousand, five hundred forty-four".