85935469 has 2 divisors, whose sum is σ = 85935470. Its totient is φ = 85935468.

The previous prime is 85935449. The next prime is 85935481. The reversal of 85935469 is 96453958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45765225 + 40170244 = 6765^2 + 6338^2 .

It is a cyclic number.

It is not a de Polignac number, because 85935469 - 2⁹ = 85934957 is a prime.

It is a super-2 number, since 2×85935469² = 14769809664499922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85935449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42967734 + 42967735.

It is an arithmetic number, because the mean of its divisors is an integer number (42967735).

Almost surely, 2^85935469 is an apocalyptic number.

It is an amenable number.

85935469 is a deficient number, since it is larger than the sum of its proper divisors (1).

85935469 is an equidigital number, since it uses as much as digits as its factorization.

85935469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 49.

The square root of 85935469 is about 9270.1385642287. The cubic root of 85935469 is about 441.2900654581.

The spelling of 85935469 in words is "eighty-five million, nine hundred thirty-five thousand, four hundred sixty-nine".