85985673 has 4 divisors (see below), whose sum is σ = 114647568. Its totient is φ = 57323780.

The previous prime is 85985633. The next prime is 85985687. The reversal of 85985673 is 37658958.

85985673 is nontrivially palindromic in base 14.

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 85985673 - 2¹³ = 85977481 is a prime.

It is a super-2 number, since 2×85985673² = 14787071922525858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85985623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14330943 + ... + 14330948.

It is an arithmetic number, because the mean of its divisors is an integer number (28661892).

Almost surely, 2^85985673 is an apocalyptic number.

It is an amenable number.

85985673 is a deficient number, since it is larger than the sum of its proper divisors (28661895).

85985673 is a wasteful number, since it uses less digits than its factorization.

85985673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28661894.

The product of its digits is 1814400, while the sum is 51.

The square root of 85985673 is about 9272.8460032506. The cubic root of 85985673 is about 441.3759834686.

The spelling of 85985673 in words is "eighty-five million, nine hundred eighty-five thousand, six hundred seventy-three".