878307871 has 8 divisors (see below), whose sum is σ = 1007947424. Its totient is φ = 749710080.

The previous prime is 878307853. The next prime is 878307893. The reversal of 878307871 is 178703878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 878307871 - 2⁹ = 878307359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878307821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258630 + ... + 262003.

It is an arithmetic number, because the mean of its divisors is an integer number (125993428).

Almost surely, 2^878307871 is an apocalyptic number.

878307871 is a deficient number, since it is larger than the sum of its proper divisors (129639553).

878307871 is a wasteful number, since it uses less digits than its factorization.

878307871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520881.

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 878307871 is about 29636.2593962194. The cubic root of 878307871 is about 957.6693575682.

The spelling of 878307871 in words is "eight hundred seventy-eight million, three hundred seven thousand, eight hundred seventy-one".