8494724866 has 16 divisors (see below), whose sum is σ = 13507941240. Its totient is φ = 3992682240.

The previous prime is 8494724807. The next prime is 8494724879. The reversal of 8494724866 is 6684274948.

It can be written as a sum of positive squares in 4 ways, for example, as 8458664841 + 36060025 = 91971^2 + 6005^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8494724866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122505 + ... + 178876.

Almost surely, 2^8494724866 is an apocalyptic number.

8494724866 is a deficient number, since it is larger than the sum of its proper divisors (5013216374).

8494724866 is a wasteful number, since it uses less digits than its factorization.

8494724866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302229.

The product of its digits is 18579456, while the sum is 58.

The square root of 8494724866 is about 92166.8317020825. The cubic root of 8494724866 is about 2040.4052816788.

The spelling of 8494724866 in words is "eight billion, four hundred ninety-four million, seven hundred twenty-four thousand, eight hundred sixty-six".