8878776778788 has 48 divisors (see below), whose sum is σ = 23676994879104. Its totient is φ = 2536765850880.

The previous prime is 8878776778787. The next prime is 8878776778789.

8878776778788 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (8878776778787) and next prime (8878776778789).

It is a junction number, because it is equal to n+sod(n) for n = 8878776778695 and 8878776778704.

It is not an unprimeable number, because it can be changed into a prime (8878776778787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7971168 + ... + 9016488.

It is an arithmetic number, because the mean of its divisors is an integer number (493270726648).

Almost surely, 2^{8878776778788} is an apocalyptic number.

It is an amenable number.

8878776778788 is an abundant number, since it is smaller than the sum of its proper divisors (14798218100316).

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

8878776778788 is a wasteful number, since it uses less digits than its factorization.

8878776778788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146452 (or 1146450 counting only the distinct ones).

The product of its digits is 185045876736, while the sum is 96.

The spelling of 8878776778788 in words is "eight trillion, eight hundred seventy-eight billion, seven hundred seventy-six million, seven hundred seventy-eight thousand, seven hundred eighty-eight".