85338469 has 2 divisors, whose sum is σ = 85338470. Its totient is φ = 85338468.

The previous prime is 85338457. The next prime is 85338479. The reversal of 85338469 is 96483358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43890625 + 41447844 = 6625^2 + 6438^2 .

It is a cyclic number.

It is not a de Polignac number, because 85338469 - 2¹¹ = 85336421 is a prime.

It is a super-2 number, since 2×85338469² = 14565308582527922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85338439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42669234 + 42669235.

It is an arithmetic number, because the mean of its divisors is an integer number (42669235).

Almost surely, 2^85338469 is an apocalyptic number.

It is an amenable number.

85338469 is a deficient number, since it is larger than the sum of its proper divisors (1).

85338469 is an equidigital number, since it uses as much as digits as its factorization.

85338469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 85338469 is about 9237.8822789642. The cubic root of 85338469 is about 440.2657984242.

The spelling of 85338469 in words is "eighty-five million, three hundred thirty-eight thousand, four hundred sixty-nine".