85567449 has 12 divisors (see below), whose sum is σ = 125405168. Its totient is φ = 51858840.

The previous prime is 85567397. The next prime is 85567457. The reversal of 85567449 is 94476558.

It is not a de Polignac number, because 85567449 - 2⁸ = 85567193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85567398 and 85567407.

It is not an unprimeable number, because it can be changed into a prime (85567459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117499 + ... + 118224.

Almost surely, 2^85567449 is an apocalyptic number.

It is an amenable number.

85567449 is a deficient number, since it is larger than the sum of its proper divisors (39837719).

85567449 is a wasteful number, since it uses less digits than its factorization.

85567449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235748 (or 235737 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 85567449 is about 9250.2675096453. The cubic root of 85567449 is about 440.6592201782.

The spelling of 85567449 in words is "eighty-five million, five hundred sixty-seven thousand, four hundred forty-nine".