8485872191 has 2 divisors, whose sum is σ = 8485872192. Its totient is φ = 8485872190.

The previous prime is 8485872151. The next prime is 8485872209. The reversal of 8485872191 is 1912785848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8485872191 - 2³⁰ = 7412130367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8485872151) 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, 4242936095 + 4242936096.

It is an arithmetic number, because the mean of its divisors is an integer number (4242936096).

Almost surely, 2^8485872191 is an apocalyptic number.

8485872191 is a deficient number, since it is larger than the sum of its proper divisors (1).

8485872191 is an equidigital number, since it uses as much as digits as its factorization.

8485872191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 53.

The square root of 8485872191 is about 92118.7939076495. The cubic root of 8485872191 is about 2039.6962407357.

The spelling of 8485872191 in words is "eight billion, four hundred eighty-five million, eight hundred seventy-two thousand, one hundred ninety-one".