578973989 has 6 divisors (see below), whose sum is σ = 636393030. Its totient is φ = 526339880.

The previous prime is 578973971. The next prime is 578974007. The reversal of 578973989 is 989379875.

It is an interprime number because it is at equal distance from previous prime (578973971) and next prime (578974007).

It can be written as a sum of positive squares in only one way, i.e., 559322500 + 19651489 = 23650^2 + 4433^2 .

It is not a de Polignac number, because 578973989 - 2²⁴ = 562196773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578973959) 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 5 ways as a sum of consecutive naturals, for example, 2392334 + ... + 2392575.

It is an arithmetic number, because the mean of its divisors is an integer number (106065505).

Almost surely, 2^578973989 is an apocalyptic number.

It is an amenable number.

578973989 is a deficient number, since it is larger than the sum of its proper divisors (57419041).

578973989 is a wasteful number, since it uses less digits than its factorization.

578973989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784931 (or 4784920 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 65.

The square root of 578973989 is about 24061.8783348266. The cubic root of 578973989 is about 833.4630500828.

The spelling of 578973989 in words is "five hundred seventy-eight million, nine hundred seventy-three thousand, nine hundred eighty-nine".