878213808 has 60 divisors (see below), whose sum is σ = 2467230480. Its totient is φ = 291612288.

The previous prime is 878213797. The next prime is 878213813. The reversal of 878213808 is 808312878.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26278 + ... + 49466.

It is an arithmetic number, because the mean of its divisors is an integer number (41120508).

Almost surely, 2^878213808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878213808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233615240).

878213808 is an abundant number, since it is smaller than the sum of its proper divisors (1589016672).

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

878213808 is a wasteful number, since it uses less digits than its factorization.

878213808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23466 (or 23457 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 878213808 is about 29634.6723956922. The cubic root of 878213808 is about 957.6351689230.

The spelling of 878213808 in words is "eight hundred seventy-eight million, two hundred thirteen thousand, eight hundred eight".