578778842 has 8 divisors (see below), whose sum is σ = 868276800. Its totient is φ = 289353244.

The previous prime is 578778841. The next prime is 578778853. The reversal of 578778842 is 248877875.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (578778841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11759 + ... + 35997.

It is an arithmetic number, because the mean of its divisors is an integer number (108534600).

Almost surely, 2^578778842 is an apocalyptic number.

578778842 is a deficient number, since it is larger than the sum of its proper divisors (289497958).

578778842 is a wasteful number, since it uses less digits than its factorization.

578778842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36180.

The product of its digits is 7024640, while the sum is 56.

The square root of 578778842 is about 24057.8228857060. The cubic root of 578778842 is about 833.3693981547.

The spelling of 578778842 in words is "five hundred seventy-eight million, seven hundred seventy-eight thousand, eight hundred forty-two".