578087 has 4 divisors (see below), whose sum is σ = 586080. Its totient is φ = 570096.

The previous prime is 578077. The next prime is 578093. The reversal of 578087 is 780875.

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

It is a cyclic number.

It is not a de Polignac number, because 578087 - 2⁸ = 577831 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 578087.

It is not an unprimeable number, because it can be changed into a prime (578047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887 + ... + 4032.

It is an arithmetic number, because the mean of its divisors is an integer number (146520).

2⁵⁷⁸⁰⁸⁷ is an apocalyptic number.

578087 is a deficient number, since it is larger than the sum of its proper divisors (7993).

578087 is an equidigital number, since it uses as much as digits as its factorization.

578087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992.

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

The square root of 578087 is about 760.3203272306. The cubic root of 578087 is about 83.3037210341.

The spelling of 578087 in words is "five hundred seventy-eight thousand, eighty-seven".