878585878 has 32 divisors (see below), whose sum is σ = 1452407040. Its totient is φ = 396744480.

The previous prime is 878585861. The next prime is 878585893.

878585878 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 287776 + ... + 290812.

It is an arithmetic number, because the mean of its divisors is an integer number (45387720).

Almost surely, 2^878585878 is an apocalyptic number.

878585878 is a deficient number, since it is larger than the sum of its proper divisors (573821162).

878585878 is a wasteful number, since it uses less digits than its factorization.

878585878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412.

The product of its digits is 40140800, while the sum is 64.

The square root of 878585878 is about 29640.9493437710. The cubic root of 878585878 is about 957.7703892256.

It can be divided in two parts, 878 and 585878, that added together give a square (586756 = 766²).

The spelling of 878585878 in words is "eight hundred seventy-eight million, five hundred eighty-five thousand, eight hundred seventy-eight".