550878682878 has 24 divisors (see below), whose sum is σ = 1193873339568. Its totient is φ = 183579633792.

The previous prime is 550878682877. The next prime is 550878682903. The reversal of 550878682878 is 878286878055.

550878682878 is a `hidden beast` number, since 550 + 8 + 7 + 8 + 68 + 2 + 8 + 7 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550878682877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3809875 + ... + 3951822.

It is an arithmetic number, because the mean of its divisors is an integer number (49744722482).

Almost surely, 2^550878682878 is an apocalyptic number.

550878682878 is an abundant number, since it is smaller than the sum of its proper divisors (642994656690).

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

550878682878 is a wasteful number, since it uses less digits than its factorization.

550878682878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7765648 (or 7765645 counting only the distinct ones).

The product of its (nonzero) digits is 481689600, while the sum is 72.

The spelling of 550878682878 in words is "five hundred fifty billion, eight hundred seventy-eight million, six hundred eighty-two thousand, eight hundred seventy-eight".