8006264257 has 4 divisors (see below), whose sum is σ = 8477220996. Its totient is φ = 7535307520.

The previous prime is 8006264249. The next prime is 8006264267. The reversal of 8006264257 is 7524626008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2903162161 + 5103102096 = 53881^2 + 71436^2 .

It is a cyclic number.

It is not a de Polignac number, because 8006264257 - 2³ = 8006264249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8006264267) 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 in 3 ways as a sum of consecutive naturals, for example, 235478344 + ... + 235478377.

It is an arithmetic number, because the mean of its divisors is an integer number (2119305249).

Almost surely, 2^8006264257 is an apocalyptic number.

It is an amenable number.

8006264257 is a deficient number, since it is larger than the sum of its proper divisors (470956739).

8006264257 is a wasteful number, since it uses less digits than its factorization.

8006264257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470956738.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 8006264257 is about 89477.7305087696. The cubic root of 8006264257 is about 2000.5218852227.

The spelling of 8006264257 in words is "eight billion, six million, two hundred sixty-four thousand, two hundred fifty-seven".