4378578852 has 12 divisors (see below), whose sum is σ = 10216684016. Its totient is φ = 1459526280.

The previous prime is 4378578751. The next prime is 4378578913. The reversal of 4378578852 is 2588758734.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 4378578792 and 4378578801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182440774 + ... + 182440797.

Almost surely, 2^4378578852 is an apocalyptic number.

It is an amenable number.

4378578852 is an abundant number, since it is smaller than the sum of its proper divisors (5838105164).

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

4378578852 is a wasteful number, since it uses less digits than its factorization.

4378578852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364881578 (or 364881576 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 57.

The square root of 4378578852 is about 66170.8308244652. The cubic root of 4378578852 is about 1635.9790016295.

The spelling of 4378578852 in words is "four billion, three hundred seventy-eight million, five hundred seventy-eight thousand, eight hundred fifty-two".