8781328892878 has 24 divisors (see below), whose sum is σ = 14244401946600. Its totient is φ = 4054946461104.

The previous prime is 8781328892863. The next prime is 8781328892881. The reversal of 8781328892878 is 8782988231878.

It is a super-3 number, since 3×8781328892878³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 8781328892798 and 8781328892807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143071608 + ... + 143132971.

It is an arithmetic number, because the mean of its divisors is an integer number (593516747775).

Almost surely, 2^{8781328892878} is an apocalyptic number.

8781328892878 is a deficient number, since it is larger than the sum of its proper divisors (5463073053722).

8781328892878 is a wasteful number, since it uses less digits than its factorization.

8781328892878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286204656 (or 286204633 counting only the distinct ones).

The product of its digits is 1387266048, while the sum is 79.

The spelling of 8781328892878 in words is "eight trillion, seven hundred eighty-one billion, three hundred twenty-eight million, eight hundred ninety-two thousand, eight hundred seventy-eight".