85107469 has 2 divisors, whose sum is σ = 85107470. Its totient is φ = 85107468.

The previous prime is 85107433. The next prime is 85107541. The reversal of 85107469 is 96470158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77211369 + 7896100 = 8787^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 85107469 - 2¹¹ = 85105421 is a prime.

It is a super-2 number, since 2×85107469² = 14486562559171922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85107769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42553734 + 42553735.

It is an arithmetic number, because the mean of its divisors is an integer number (42553735).

Almost surely, 2^85107469 is an apocalyptic number.

It is an amenable number.

85107469 is a deficient number, since it is larger than the sum of its proper divisors (1).

85107469 is an equidigital number, since it uses as much as digits as its factorization.

85107469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 85107469 is about 9225.3709410516. The cubic root of 85107469 is about 439.8681922685.

The spelling of 85107469 in words is "eighty-five million, one hundred seven thousand, four hundred sixty-nine".