986125871 has 2 divisors, whose sum is σ = 986125872. Its totient is φ = 986125870.

The previous prime is 986125867. The next prime is 986125879. The reversal of 986125871 is 178521689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 986125871 - 2² = 986125867 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986125879) 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, 493062935 + 493062936.

It is an arithmetic number, because the mean of its divisors is an integer number (493062936).

Almost surely, 2^986125871 is an apocalyptic number.

986125871 is a deficient number, since it is larger than the sum of its proper divisors (1).

986125871 is an equidigital number, since it uses as much as digits as its factorization.

986125871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 47.

The square root of 986125871 is about 31402.6411468844. The cubic root of 986125871 is about 995.3537359983.

The spelling of 986125871 in words is "nine hundred eighty-six million, one hundred twenty-five thousand, eight hundred seventy-one".