878068554 has 64 divisors (see below), whose sum is σ = 1992954240. Its totient is φ = 255467520.

The previous prime is 878068549. The next prime is 878068561. The reversal of 878068554 is 455860878.

It is a junction number, because it is equal to n+sod(n) for n = 878068497 and 878068506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368214 + ... + 370590.

It is an arithmetic number, because the mean of its divisors is an integer number (31139910).

Almost surely, 2^878068554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878068554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996477120).

878068554 is an abundant number, since it is smaller than the sum of its proper divisors (1114885686).

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

878068554 is a wasteful number, since it uses less digits than its factorization.

878068554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The square root of 878068554 is about 29632.2215501977. The cubic root of 878068554 is about 957.5823693248.

The spelling of 878068554 in words is "eight hundred seventy-eight million, sixty-eight thousand, five hundred fifty-four".