85568929 has 4 divisors (see below), whose sum is σ = 86652160. Its totient is φ = 84485700.

The previous prime is 85568893. The next prime is 85568953. The reversal of 85568929 is 92986558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85568929 - 2¹¹ = 85566881 is a prime.

It is a super-2 number, since 2×85568929² = 14644083220414082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85548929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541497 + ... + 541654.

It is an arithmetic number, because the mean of its divisors is an integer number (21663040).

Almost surely, 2^85568929 is an apocalyptic number.

It is an amenable number.

85568929 is a deficient number, since it is larger than the sum of its proper divisors (1083231).

85568929 is a wasteful number, since it uses less digits than its factorization.

85568929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083230.

The product of its digits is 1555200, while the sum is 52.

The square root of 85568929 is about 9250.3475069859. The cubic root of 85568929 is about 440.6617607544.

The spelling of 85568929 in words is "eighty-five million, five hundred sixty-eight thousand, nine hundred twenty-nine".