847224520663 has 2 divisors, whose sum is σ = 847224520664. Its totient is φ = 847224520662.

The previous prime is 847224520651. The next prime is 847224520669. The reversal of 847224520663 is 366025422748.

It is a happy number.

847224520663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 847224520663 - 2¹⁷ = 847224389591 is a prime.

It is a super-2 number, since 2×847224520663² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (847224520669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423612260331 + 423612260332.

It is an arithmetic number, because the mean of its divisors is an integer number (423612260332).

Almost surely, 2^847224520663 is an apocalyptic number.

847224520663 is a deficient number, since it is larger than the sum of its proper divisors (1).

847224520663 is an equidigital number, since it uses as much as digits as its factorization.

847224520663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 847224520663 in words is "eight hundred forty-seven billion, two hundred twenty-four million, five hundred twenty thousand, six hundred sixty-three".