8251345808 has 10 divisors (see below), whose sum is σ = 15986982534. Its totient is φ = 4125672896.

The previous prime is 8251345801. The next prime is 8251345813. The reversal of 8251345808 is 8085431528.

It can be written as a sum of positive squares in only one way, i.e., 8018844304 + 232501504 = 89548^2 + 15248^2 .

It is not an unprimeable number, because it can be changed into a prime (8251345801) by changing a digit.

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 as a sum of consecutive naturals, namely, 257854541 + ... + 257854572.

Almost surely, 2^8251345808 is an apocalyptic number.

It is an amenable number.

8251345808 is a deficient number, since it is larger than the sum of its proper divisors (7735636726).

8251345808 is a wasteful number, since it uses less digits than its factorization.

8251345808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515709121 (or 515709115 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 8251345808 is about 90836.9187500325. The cubic root of 8251345808 is about 2020.7298777341.

The spelling of 8251345808 in words is "eight billion, two hundred fifty-one million, three hundred forty-five thousand, eight hundred eight".