8466713257 has 2 divisors, whose sum is σ = 8466713258. Its totient is φ = 8466713256.

The previous prime is 8466713251. The next prime is 8466713341. The reversal of 8466713257 is 7523176648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7373485161 + 1093228096 = 85869^2 + 33064^2 .

It is a cyclic number.

It is not a de Polignac number, because 8466713257 - 2³ = 8466713249 is a prime.

It is a pancake number, because a pancake can be divided into 8466713257 parts by 130128 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 8466713257.

It is not a weakly prime, because it can be changed into another prime (8466713251) 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, 4233356628 + 4233356629.

It is an arithmetic number, because the mean of its divisors is an integer number (4233356629).

Almost surely, 2^8466713257 is an apocalyptic number.

It is an amenable number.

8466713257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8466713257 is an equidigital number, since it uses as much as digits as its factorization.

8466713257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 8466713257 is about 92014.7447803883. The cubic root of 8466713257 is about 2038.1600461679.

The spelling of 8466713257 in words is "eight billion, four hundred sixty-six million, seven hundred thirteen thousand, two hundred fifty-seven".