85338871 has 2 divisors, whose sum is σ = 85338872. Its totient is φ = 85338870.

The previous prime is 85338863. The next prime is 85338907. The reversal of 85338871 is 17883358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85338871 - 2³ = 85338863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85338821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42669435 + 42669436.

It is an arithmetic number, because the mean of its divisors is an integer number (42669436).

Almost surely, 2^85338871 is an apocalyptic number.

85338871 is a deficient number, since it is larger than the sum of its proper divisors (1).

85338871 is an equidigital number, since it uses as much as digits as its factorization.

85338871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 85338871 is about 9237.9040371721. The cubic root of 85338871 is about 440.2664897364.

The spelling of 85338871 in words is "eighty-five million, three hundred thirty-eight thousand, eight hundred seventy-one".