578720613 has 8 divisors (see below), whose sum is σ = 817017408. Its totient is φ = 363118784.

The previous prime is 578720609. The next prime is 578720633. The reversal of 578720613 is 316027875.

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 578720613 - 2² = 578720609 is a prime.

It is a super-2 number, since 2×578720613² = 669835095822191538, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578720633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673681 + ... + 5673782.

It is an arithmetic number, because the mean of its divisors is an integer number (102127176).

Almost surely, 2^578720613 is an apocalyptic number.

It is an amenable number.

578720613 is a deficient number, since it is larger than the sum of its proper divisors (238296795).

578720613 is a wasteful number, since it uses less digits than its factorization.

578720613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347483.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 578720613 is about 24056.6126667908. The cubic root of 578720613 is about 833.3414497165.

The spelling of 578720613 in words is "five hundred seventy-eight million, seven hundred twenty thousand, six hundred thirteen".