578663663 has 8 divisors (see below), whose sum is σ = 615816432. Its totient is φ = 541856896.

The previous prime is 578663653. The next prime is 578663707. The reversal of 578663663 is 366366875.

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 578663663 - 2²⁴ = 561886447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578663623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83045 + ... + 89742.

It is an arithmetic number, because the mean of its divisors is an integer number (76977054).

Almost surely, 2^578663663 is an apocalyptic number.

578663663 is a deficient number, since it is larger than the sum of its proper divisors (37152769).

578663663 is a wasteful number, since it uses less digits than its factorization.

578663663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173001.

The product of its digits is 3265920, while the sum is 50.

The square root of 578663663 is about 24055.4289714401. The cubic root of 578663663 is about 833.3141133523.

The spelling of 578663663 in words is "five hundred seventy-eight million, six hundred sixty-three thousand, six hundred sixty-three".