578453678885647 has 2 divisors, whose sum is σ = 578453678885648. Its totient is φ = 578453678885646.

The previous prime is 578453678885531. The next prime is 578453678885651. The reversal of 578453678885647 is 746588876354875.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 578453678885647 - 2⁴³ = 569657585863439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578453678885657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289226839442823 + 289226839442824.

It is an arithmetic number, because the mean of its divisors is an integer number (289226839442824).

Almost surely, 2^{578453678885647} is an apocalyptic number.

578453678885647 is a deficient number, since it is larger than the sum of its proper divisors (1).

578453678885647 is an equidigital number, since it uses as much as digits as its factorization.

578453678885647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 303464448000, while the sum is 91.

The spelling of 578453678885647 in words is "five hundred seventy-eight trillion, four hundred fifty-three billion, six hundred seventy-eight million, eight hundred eighty-five thousand, six hundred forty-seven".