878260215 has 32 divisors (see below), whose sum is σ = 1661345280. Its totient is φ = 387644544.

The previous prime is 878260169. The next prime is 878260217. The reversal of 878260215 is 512062878.

It is not a de Polignac number, because 878260215 - 2⁹ = 878259703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878260217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141169 + ... + 147258.

It is an arithmetic number, because the mean of its divisors is an integer number (51917040).

Almost surely, 2^878260215 is an apocalyptic number.

878260215 is a deficient number, since it is larger than the sum of its proper divisors (783085065).

878260215 is a wasteful number, since it uses less digits than its factorization.

878260215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288471.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 878260215 is about 29635.4553702149. The cubic root of 878260215 is about 957.6520365665.

It can be divided in two parts, 878260 and 215, that added together give a triangular number (878475 = T₁₃₂₅).

The spelling of 878260215 in words is "eight hundred seventy-eight million, two hundred sixty thousand, two hundred fifteen".