8781888405804 has 96 divisors (see below), whose sum is σ = 21358199701440. Its totient is φ = 2806007795712.

The previous prime is 8781888405779. The next prime is 8781888405919. The reversal of 8781888405804 is 4085048881878.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10544784 + ... + 11347080.

It is an arithmetic number, because the mean of its divisors is an integer number (222481246890).

Almost surely, 2^{8781888405804} is an apocalyptic number.

It is an amenable number.

8781888405804 is an abundant number, since it is smaller than the sum of its proper divisors (12576311295636).

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

8781888405804 is a wasteful number, since it uses less digits than its factorization.

8781888405804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802707 (or 802705 counting only the distinct ones).

The product of its (nonzero) digits is 146800640, while the sum is 69.

The spelling of 8781888405804 in words is "eight trillion, seven hundred eighty-one billion, eight hundred eighty-eight million, four hundred five thousand, eight hundred four".