578856280 has 48 divisors (see below), whose sum is σ = 1374617520. Its totient is φ = 219350592.

The previous prime is 578856259. The next prime is 578856283. The reversal of 578856280 is 82658875.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578856283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5604 + ... + 34483.

It is an arithmetic number, because the mean of its divisors is an integer number (28637865).

Almost surely, 2^578856280 is an apocalyptic number.

It is an amenable number.

578856280 is an abundant number, since it is smaller than the sum of its proper divisors (795761240).

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

578856280 is a wasteful number, since it uses less digits than its factorization.

578856280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40136 (or 40113 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 49.

The square root of 578856280 is about 24059.4322460028. The cubic root of 578856280 is about 833.4065635202.

The spelling of 578856280 in words is "five hundred seventy-eight million, eight hundred fifty-six thousand, two hundred eighty".