578216656745 has 32 divisors (see below), whose sum is σ = 883429182720. Its totient is φ = 353371656960.

The previous prime is 578216656739. The next prime is 578216656753. The reversal of 578216656745 is 547656612875.

It is not a de Polignac number, because 578216656745 - 2⁴ = 578216656729 is a prime.

It is a super-3 number, since 3×578216656745³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21897251 + ... + 21923640.

It is an arithmetic number, because the mean of its divisors is an integer number (27607161960).

Almost surely, 2^578216656745 is an apocalyptic number.

It is an amenable number.

578216656745 is a deficient number, since it is larger than the sum of its proper divisors (305212525975).

578216656745 is a wasteful number, since it uses less digits than its factorization.

578216656745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43820945.

The product of its digits is 84672000, while the sum is 62.

The spelling of 578216656745 in words is "five hundred seventy-eight billion, two hundred sixteen million, six hundred fifty-six thousand, seven hundred forty-five".