987904903536 has 240 divisors, whose sum is σ = 2875115536384. Its totient is φ = 316404942336.

The previous prime is 987904903523. The next prime is 987904903547. The reversal of 987904903536 is 635309409789.

987904903536 is a `hidden beast` number, since 9 + 8 + 7 + 9 + 0 + 4 + 90 + 3 + 536 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 150891015 + ... + 150897561.

Almost surely, 2^987904903536 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 987904903536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437557768192).

987904903536 is an abundant number, since it is smaller than the sum of its proper divisors (1887210632848).

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

987904903536 is a wasteful number, since it uses less digits than its factorization.

987904903536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6939 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 63.

The spelling of 987904903536 in words is "nine hundred eighty-seven billion, nine hundred four million, nine hundred three thousand, five hundred thirty-six".