8287252191 has 24 divisors (see below), whose sum is σ = 12725176464. Its totient is φ = 5179104000.

The previous prime is 8287252189. The next prime is 8287252243. The reversal of 8287252191 is 1912527828.

It is not a de Polignac number, because 8287252191 - 2¹ = 8287252189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8287252121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69496 + ... + 146301.

It is an arithmetic number, because the mean of its divisors is an integer number (530215686).

Almost surely, 2^8287252191 is an apocalyptic number.

8287252191 is a deficient number, since it is larger than the sum of its proper divisors (4437924273).

8287252191 is a wasteful number, since it uses less digits than its factorization.

8287252191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216071 (or 216068 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 8287252191 is about 91034.3462161398. The cubic root of 8287252191 is about 2023.6567582023.

The spelling of 8287252191 in words is "eight billion, two hundred eighty-seven million, two hundred fifty-two thousand, one hundred ninety-one".