878734942208 has 42 divisors (see below), whose sum is σ = 1757532312081. Its totient is φ = 439325048832.

The previous prime is 878734942193. The next prime is 878734942231. The reversal of 878734942208 is 802249437878.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 878733758464 + 1183744 = 937408^2 + 1088^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=662848.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 84839366 + ... + 84849722.

Almost surely, 2^878734942208 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 878734942208

878734942208 is an abundant number, since it is smaller than the sum of its proper divisors (878797369873).

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

878734942208 is an frugal number, since it uses more digits than its factorization.

878734942208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20740 (or 10359 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 62.

The spelling of 878734942208 in words is "eight hundred seventy-eight billion, seven hundred thirty-four million, nine hundred forty-two thousand, two hundred eight".