878729214 has 64 divisors (see below), whose sum is σ = 2105948160. Its totient is φ = 241290720.

The previous prime is 878729207. The next prime is 878729221. The reversal of 878729214 is 412927878.

It is an interprime number because it is at equal distance from previous prime (878729207) and next prime (878729221).

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13609 + ... + 44075.

It is an arithmetic number, because the mean of its divisors is an integer number (32905440).

Almost surely, 2^878729214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878729214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052974080).

878729214 is an abundant number, since it is smaller than the sum of its proper divisors (1227218946).

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

878729214 is a wasteful number, since it uses less digits than its factorization.

878729214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30525.

The product of its digits is 451584, while the sum is 48.

The square root of 878729214 is about 29643.3671164394. The cubic root of 878729214 is about 957.8224712189.

The spelling of 878729214 in words is "eight hundred seventy-eight million, seven hundred twenty-nine thousand, two hundred fourteen".