578078 has 4 divisors (see below), whose sum is σ = 867120. Its totient is φ = 289038.

The previous prime is 578077. The next prime is 578093. The reversal of 578078 is 870875.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144518 + ... + 144521.

It is an arithmetic number, because the mean of its divisors is an integer number (216780).

2⁵⁷⁸⁰⁷⁸ is an apocalyptic number.

578078 is a deficient number, since it is larger than the sum of its proper divisors (289042).

578078 is a wasteful number, since it uses less digits than its factorization.

578078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289041.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 578078 is about 760.3144086495. The cubic root of 578078 is about 83.3032887247.

The spelling of 578078 in words is "five hundred seventy-eight thousand, seventy-eight".