85073569 has 8 divisors (see below), whose sum is σ = 97417728. Its totient is φ = 72777120.

The previous prime is 85073567. The next prime is 85073591. The reversal of 85073569 is 96537058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85073569 - 2¹ = 85073567 is a prime.

It is a super-2 number, since 2×85073569² = 14475024284795522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85073561) 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 in 7 ways as a sum of consecutive naturals, for example, 8017 + ... + 15310.

It is an arithmetic number, because the mean of its divisors is an integer number (12177216).

Almost surely, 2^85073569 is an apocalyptic number.

It is an amenable number.

85073569 is a deficient number, since it is larger than the sum of its proper divisors (12344159).

85073569 is a wasteful number, since it uses less digits than its factorization.

85073569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 85073569 is about 9223.5334335600. The cubic root of 85073569 is about 439.8097817585.

The spelling of 85073569 in words is "eighty-five million, seventy-three thousand, five hundred sixty-nine".