85934197 has 2 divisors, whose sum is σ = 85934198. Its totient is φ = 85934196.

The previous prime is 85934179. The next prime is 85934227. The reversal of 85934197 is 79143958.

It is a happy number.

Together with previous prime (85934179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65512836 + 20421361 = 8094^2 + 4519^2 .

It is a cyclic number.

It is not a de Polignac number, because 85934197 - 2¹⁵ = 85901429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85934137) 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, 42967098 + 42967099.

It is an arithmetic number, because the mean of its divisors is an integer number (42967099).

Almost surely, 2^85934197 is an apocalyptic number.

It is an amenable number.

85934197 is a deficient number, since it is larger than the sum of its proper divisors (1).

85934197 is an equidigital number, since it uses as much as digits as its factorization.

85934197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 85934197 is about 9270.0699565861. The cubic root of 85934197 is about 441.2878881509.

The spelling of 85934197 in words is "eighty-five million, nine hundred thirty-four thousand, one hundred ninety-seven".