987439703040 has 264 divisors, whose sum is σ = 3910233113280. Its totient is φ = 225700429824.

The previous prime is 987439702993. The next prime is 987439703071. The reversal of 987439703040 is 40307934789.

987439703040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208070 + ... + 1853189.

Almost surely, 2^987439703040 is an apocalyptic number.

987439703040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

987439703040 is an abundant number, since it is smaller than the sum of its proper divisors (2922793410240).

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

987439703040 is a wasteful number, since it uses less digits than its factorization.

987439703040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061297 (or 3061276 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 987439703040 in words is "nine hundred eighty-seven billion, four hundred thirty-nine million, seven hundred three thousand, forty".