578520378 has 12 divisors (see below), whose sum is σ = 1253460858. Its totient is φ = 192840120.

The previous prime is 578520367. The next prime is 578520451. The reversal of 578520378 is 873025875.

578520378 is a `hidden beast` number, since 57 + 8 + 520 + 3 + 78 = 666.

578520378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 421193529 + 157326849 = 20523^2 + 12543^2 .

It is a super-2 number, since 2×578520378² = 669371655522525768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16069993 + ... + 16070028.

Almost surely, 2^578520378 is an apocalyptic number.

578520378 is an abundant number, since it is smaller than the sum of its proper divisors (674940480).

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

578520378 is a wasteful number, since it uses less digits than its factorization.

578520378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32140029 (or 32140026 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 578520378 is about 24052.4505612214. The cubic root of 578520378 is about 833.2453277019.

The spelling of 578520378 in words is "five hundred seventy-eight million, five hundred twenty thousand, three hundred seventy-eight".