578872398 has 64 divisors (see below), whose sum is σ = 1280240640. Its totient is φ = 173380992.

The previous prime is 578872397. The next prime is 578872417. The reversal of 578872398 is 893278875.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578872391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 985861 + ... + 986447.

It is an arithmetic number, because the mean of its divisors is an integer number (20003760).

Almost surely, 2^578872398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578872398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640120320).

578872398 is an abundant number, since it is smaller than the sum of its proper divisors (701368242).

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

578872398 is a wasteful number, since it uses less digits than its factorization.

578872398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its digits is 6773760, while the sum is 57.

The square root of 578872398 is about 24059.7672058563. The cubic root of 578872398 is about 833.4142987288.

The spelling of 578872398 in words is "five hundred seventy-eight million, eight hundred seventy-two thousand, three hundred ninety-eight".