878738213808 has 240 divisors, whose sum is σ = 3158364518400. Its totient is φ = 221678747136.

The previous prime is 878738213779. The next prime is 878738213813. The reversal of 878738213808 is 808312837878.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1156408 + ... + 1759191.

It is an arithmetic number, because the mean of its divisors is an integer number (13159852160).

Almost surely, 2^878738213808 is an apocalyptic number.

It is an amenable number.

878738213808 is an abundant number, since it is smaller than the sum of its proper divisors (2279626304592).

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

878738213808 is a wasteful number, since it uses less digits than its factorization.

878738213808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915656 (or 2915647 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 878738213808 in words is "eight hundred seventy-eight billion, seven hundred thirty-eight million, two hundred thirteen thousand, eight hundred eight".