878045551056 has 60 divisors (see below), whose sum is σ = 2498957348160. Its totient is φ = 287721138240.

The previous prime is 878045550973. The next prime is 878045551057. The reversal of 878045551056 is 650155540878.

878045551056 is a `hidden beast` number, since 8 + 7 + 80 + 4 + 5 + 551 + 0 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 878045550993 and 878045551011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878045551057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51665560 + ... + 51682551.

It is an arithmetic number, because the mean of its divisors is an integer number (41649289136).

Almost surely, 2^878045551056 is an apocalyptic number.

It is an amenable number.

878045551056 is an abundant number, since it is smaller than the sum of its proper divisors (1620911797104).

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

878045551056 is a wasteful number, since it uses less digits than its factorization.

878045551056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103348184 (or 103348175 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 54.

The spelling of 878045551056 in words is "eight hundred seventy-eight billion, forty-five million, five hundred fifty-one thousand, fifty-six".