578987 has 8 divisors (see below), whose sum is σ = 629760. Its totient is φ = 530280.

The previous prime is 578971. The next prime is 578999. The reversal of 578987 is 789875.

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

It is a cyclic number.

It is not a de Polignac number, because 578987 - 2⁴ = 578971 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 578987.

It is not an unprimeable number, because it can be changed into a prime (578917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98 + ... + 1080.

It is an arithmetic number, because the mean of its divisors is an integer number (78720).

2⁵⁷⁸⁹⁸⁷ is an apocalyptic number.

578987 is a deficient number, since it is larger than the sum of its proper divisors (50773).

578987 is a wasteful number, since it uses less digits than its factorization.

578987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033.

The product of its digits is 141120, while the sum is 44.

The square root of 578987 is about 760.9119528566. The cubic root of 578987 is about 83.3469293372.

The spelling of 578987 in words is "five hundred seventy-eight thousand, nine hundred eighty-seven".