878793244 has 72 divisors (see below), whose sum is σ = 1891196160. Its totient is φ = 355277664.

The previous prime is 878793241. The next prime is 878793277. The reversal of 878793244 is 442397878.

It is a junction number, because it is equal to n+sod(n) for n = 878793191 and 878793200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878793241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366387 + ... + 1367029.

Almost surely, 2^878793244 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 878793244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945598080).

878793244 is an abundant number, since it is smaller than the sum of its proper divisors (1012402916).

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

878793244 is a wasteful number, since it uses less digits than its factorization.

878793244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1038 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 878793244 is about 29644.4471022821. The cubic root of 878793244 is about 957.8457350725.

The spelling of 878793244 in words is "eight hundred seventy-eight million, seven hundred ninety-three thousand, two hundred forty-four".