878225400 has 216 divisors, whose sum is σ = 3194806680. Its totient is φ = 216103680.

The previous prime is 878225393. The next prime is 878225431. The reversal of 878225400 is 4522878.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 302757 + ... + 305643.

Almost surely, 2^878225400 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 878225400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597403340).

878225400 is an abundant number, since it is smaller than the sum of its proper divisors (2316581280).

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

878225400 is a wasteful number, since it uses less digits than its factorization.

878225400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 878225400 is about 29634.8679767601. The cubic root of 878225400 is about 957.6393823457.

The spelling of 878225400 in words is "eight hundred seventy-eight million, two hundred twenty-five thousand, four hundred".