878308766500 has 96 divisors (see below), whose sum is σ = 2094649869312. Its totient is φ = 319073760000.

The previous prime is 878308766471. The next prime is 878308766519. The reversal of 878308766500 is 5667803878.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5604205 + ... + 5758795.

It is an arithmetic number, because the mean of its divisors is an integer number (21819269472).

Almost surely, 2^878308766500 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 878308766500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047324934656).

878308766500 is an abundant number, since it is smaller than the sum of its proper divisors (1216341102812).

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

878308766500 is a wasteful number, since it uses less digits than its factorization.

878308766500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155654 (or 155642 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 878308766500 in words is "eight hundred seventy-eight billion, three hundred eight million, seven hundred sixty-six thousand, five hundred".