85493671 has 2 divisors, whose sum is σ = 85493672. Its totient is φ = 85493670.

The previous prime is 85493669. The next prime is 85493677. The reversal of 85493671 is 17639458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85493671 - 2¹ = 85493669 is a prime.

Together with 85493669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85493677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42746835 + 42746836.

It is an arithmetic number, because the mean of its divisors is an integer number (42746836).

Almost surely, 2^85493671 is an apocalyptic number.

85493671 is a deficient number, since it is larger than the sum of its proper divisors (1).

85493671 is an equidigital number, since it uses as much as digits as its factorization.

85493671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 85493671 is about 9246.2787649951. The cubic root of 85493671 is about 440.5325353049.

The spelling of 85493671 in words is "eighty-five million, four hundred ninety-three thousand, six hundred seventy-one".