878004036 has 240 divisors, whose sum is σ = 2863374976. Its totient is φ = 228427776.

The previous prime is 878004019. The next prime is 878004067. The reversal of 878004036 is 630400878.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2859795 + ... + 2860101.

Almost surely, 2^878004036 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 878004036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431687488).

878004036 is an abundant number, since it is smaller than the sum of its proper divisors (1985370940).

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

878004036 is a wasteful number, since it uses less digits than its factorization.

878004036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 878004036 is about 29631.1328841811. The cubic root of 878004036 is about 957.5589152667.

The spelling of 878004036 in words is "eight hundred seventy-eight million, four thousand, thirty-six".