878845645683 has 10 divisors (see below), whose sum is σ = 1312843495524. Its totient is φ = 585897097068.

The previous prime is 878845645661. The next prime is 878845645693. The reversal of 878845645683 is 386546548878.

878845645683 is a `hidden beast` number, since 8 + 7 + 8 + 8 + 4 + 56 + 4 + 568 + 3 = 666.

It is not a de Polignac number, because 878845645683 - 2²⁹ = 878308774771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (878845645693) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5424973041 + ... + 5424973202.

Almost surely, 2^878845645683 is an apocalyptic number.

878845645683 is a deficient number, since it is larger than the sum of its proper divisors (433997849841).

878845645683 is a wasteful number, since it uses less digits than its factorization.

878845645683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849946255 (or 10849946246 counting only the distinct ones).

The product of its digits is 1238630400, while the sum is 72.

The spelling of 878845645683 in words is "eight hundred seventy-eight billion, eight hundred forty-five million, six hundred forty-five thousand, six hundred eighty-three".