24855966797 has 2 divisors, whose sum is σ = 24855966798. Its totient is φ = 24855966796.

The previous prime is 24855966719. The next prime is 24855966799. The reversal of 24855966797 is 79766955842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15857357476 + 8998609321 = 125926^2 + 94861^2 .

It is a cyclic number.

It is not a de Polignac number, because 24855966797 - 2¹⁰ = 24855965773 is a prime.

Together with 24855966799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24855966799) 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 as a sum of consecutive naturals, namely, 12427983398 + 12427983399.

It is an arithmetic number, because the mean of its divisors is an integer number (12427983399).

Almost surely, 2^24855966797 is an apocalyptic number.

It is an amenable number.

24855966797 is a deficient number, since it is larger than the sum of its proper divisors (1).

24855966797 is an equidigital number, since it uses as much as digits as its factorization.

24855966797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 228614400, while the sum is 68.

The spelling of 24855966797 in words is "twenty-four billion, eight hundred fifty-five million, nine hundred sixty-six thousand, seven hundred ninety-seven".