878068506 has 32 divisors (see below), whose sum is σ = 2013580800. Its totient is φ = 250055856.

The previous prime is 878068487. The next prime is 878068507. The reversal of 878068506 is 605860878.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (878068507) by changing a digit.

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, 21156 + ... + 46943.

It is an arithmetic number, because the mean of its divisors is an integer number (62924400).

Almost surely, 2^878068506 is an apocalyptic number.

878068506 is an abundant number, since it is smaller than the sum of its proper divisors (1135512294).

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

878068506 is a wasteful number, since it uses less digits than its factorization.

878068506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68418.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 878068506 is about 29632.2207402685. The cubic root of 878068506 is about 957.5823518759.

The spelling of 878068506 in words is "eight hundred seventy-eight million, sixty-eight thousand, five hundred six".