85468217 has 2 divisors, whose sum is σ = 85468218. Its totient is φ = 85468216.

The previous prime is 85468211. The next prime is 85468223. The reversal of 85468217 is 71286458.

It is a balanced prime because it is at equal distance from previous prime (85468211) and next prime (85468223).

It can be written as a sum of positive squares in only one way, i.e., 56265001 + 29203216 = 7501^2 + 5404^2 .

It is a cyclic number.

It is not a de Polignac number, because 85468217 - 2⁶ = 85468153 is a prime.

It is a super-2 number, since 2×85468217² = 14609632234318178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85468211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42734108 + 42734109.

It is an arithmetic number, because the mean of its divisors is an integer number (42734109).

Almost surely, 2^85468217 is an apocalyptic number.

It is an amenable number.

85468217 is a deficient number, since it is larger than the sum of its proper divisors (1).

85468217 is an equidigital number, since it uses as much as digits as its factorization.

85468217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 41.

The square root of 85468217 is about 9244.9022168977. The cubic root of 85468217 is about 440.4888111007.

The spelling of 85468217 in words is "eighty-five million, four hundred sixty-eight thousand, two hundred seventeen".