987043431228288 has 128 divisors (see below), whose sum is σ = 3016225434416640. Its totient is φ = 280144776960000.

The previous prime is 987043431228233. The next prime is 987043431228311. The reversal of 987043431228288 is 882822134340789.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215500263 + ... + 1216312038.

It is an arithmetic number, because the mean of its divisors is an integer number (23564261206380).

Almost surely, 2^{987043431228288} is an apocalyptic number.

It is an amenable number.

987043431228288 is an abundant number, since it is smaller than the sum of its proper divisors (2029182003188352).

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

987043431228288 is a wasteful number, since it uses less digits than its factorization.

987043431228288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431812476 (or 2431812464 counting only the distinct ones).

The product of its (nonzero) digits is 297271296, while the sum is 69.

The spelling of 987043431228288 in words is "nine hundred eighty-seven trillion, forty-three billion, four hundred thirty-one million, two hundred twenty-eight thousand, two hundred eighty-eight".