578725993 has 4 divisors (see below), whose sum is σ = 591039360. Its totient is φ = 566412628.

The previous prime is 578725981. The next prime is 578726009. The reversal of 578725993 is 399527875.

578725993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-578725993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (578725933) 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, 6156613 + ... + 6156706.

It is an arithmetic number, because the mean of its divisors is an integer number (147759840).

Almost surely, 2^578725993 is an apocalyptic number.

It is an amenable number.

578725993 is a deficient number, since it is larger than the sum of its proper divisors (12313367).

578725993 is a wasteful number, since it uses less digits than its factorization.

578725993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313366.

The product of its digits is 4762800, while the sum is 55.

The square root of 578725993 is about 24056.7244860974. The cubic root of 578725993 is about 833.3440320582.

The spelling of 578725993 in words is "five hundred seventy-eight million, seven hundred twenty-five thousand, nine hundred ninety-three".