878258860 has 12 divisors (see below), whose sum is σ = 1844343648. Its totient is φ = 351303536.

The previous prime is 878258791. The next prime is 878258891. The reversal of 878258860 is 68852878.

It is a junction number, because it is equal to n+sod(n) for n = 878258798 and 878258807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21956452 + ... + 21956491.

It is an arithmetic number, because the mean of its divisors is an integer number (153695304).

Almost surely, 2^878258860 is an apocalyptic number.

It is an amenable number.

878258860 is an abundant number, since it is smaller than the sum of its proper divisors (966084788).

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

878258860 is a wasteful number, since it uses less digits than its factorization.

878258860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43912952 (or 43912950 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 52.

The square root of 878258860 is about 29635.4325090760. The cubic root of 878258860 is about 957.6515440705.

The spelling of 878258860 in words is "eight hundred seventy-eight million, two hundred fifty-eight thousand, eight hundred sixty".