8474224657 has 2 divisors, whose sum is σ = 8474224658. Its totient is φ = 8474224656.

The previous prime is 8474224639. The next prime is 8474224669. The reversal of 8474224657 is 7564224748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8028339201 + 445885456 = 89601^2 + 21116^2 .

It is a cyclic number.

It is not a de Polignac number, because 8474224657 - 2⁷ = 8474224529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8474224657.

It is not a weakly prime, because it can be changed into another prime (8474222657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4237112328 + 4237112329.

It is an arithmetic number, because the mean of its divisors is an integer number (4237112329).

Almost surely, 2^8474224657 is an apocalyptic number.

It is an amenable number.

8474224657 is a deficient number, since it is larger than the sum of its proper divisors (1).

8474224657 is an equidigital number, since it uses as much as digits as its factorization.

8474224657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3010560, while the sum is 49.

The square root of 8474224657 is about 92055.5520161603. The cubic root of 8474224657 is about 2038.7625983739.

Subtracting from 8474224657 its reverse (7564224748), we obtain a palindrome (909999909).

The spelling of 8474224657 in words is "eight billion, four hundred seventy-four million, two hundred twenty-four thousand, six hundred fifty-seven".