538987803912 has 512 divisors, whose sum is σ = 1722050150400. Its totient is φ = 155196518400.

The previous prime is 538987803911. The next prime is 538987803919. The reversal of 538987803912 is 219308789835.

538987803912 is a `hidden beast` number, since 538 + 9 + 8 + 7 + 8 + 0 + 3 + 91 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 538987803912.

It is not an unprimeable number, because it can be changed into a prime (538987803911) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 332502462 + ... + 332504082.

It is an arithmetic number, because the mean of its divisors is an integer number (3363379200).

Almost surely, 2^538987803912 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 538987803912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861025075200).

538987803912 is an abundant number, since it is smaller than the sum of its proper divisors (1183062346488).

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

538987803912 is a wasteful number, since it uses less digits than its factorization.

538987803912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 538987803912 in words is "five hundred thirty-eight billion, nine hundred eighty-seven million, eight hundred three thousand, nine hundred twelve".