987271544 has 64 divisors (see below), whose sum is σ = 2168812800. Its totient is φ = 412588800.

The previous prime is 987271541. The next prime is 987271553. The reversal of 987271544 is 445172789.

987271544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987271541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431684 + ... + 433964.

It is an arithmetic number, because the mean of its divisors is an integer number (33887700).

Almost surely, 2^987271544 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 987271544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084406400).

987271544 is an abundant number, since it is smaller than the sum of its proper divisors (1181541256).

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

987271544 is a wasteful number, since it uses less digits than its factorization.

987271544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2480 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 987271544 is about 31420.8775179816. The cubic root of 987271544 is about 995.7390514375.

The spelling of 987271544 in words is "nine hundred eighty-seven million, two hundred seventy-one thousand, five hundred forty-four".