878053440 has 168 divisors, whose sum is σ = 3064703040. Its totient is φ = 212833280.

The previous prime is 878053439. The next prime is 878053447. The reversal of 878053440 is 44350878.

It is not an unprimeable number, because it can be changed into a prime (878053447) 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, 112381 + ... + 119939.

It is an arithmetic number, because the mean of its divisors is an integer number (18242280).

Almost surely, 2^878053440 is an apocalyptic number.

878053440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532351520).

878053440 is an abundant number, since it is smaller than the sum of its proper divisors (2186649600).

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

878053440 is a wasteful number, since it uses less digits than its factorization.

878053440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601 (or 7580 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 878053440 is about 29631.9665226593. The cubic root of 878053440 is about 957.5768750754.

The spelling of 878053440 in words is "eight hundred seventy-eight million, fifty-three thousand, four hundred forty".