85244665 has 16 divisors (see below), whose sum is σ = 112222656. Its totient is φ = 61646400.

The previous prime is 85244657. The next prime is 85244701. The reversal of 85244665 is 56644258.

It is not a de Polignac number, because 85244665 - 2³ = 85244657 is a prime.

It is a super-3 number, since 3×85244665³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5674 + ... + 14236.

It is an arithmetic number, because the mean of its divisors is an integer number (7013916).

Almost surely, 2^85244665 is an apocalyptic number.

It is an amenable number.

85244665 is a deficient number, since it is larger than the sum of its proper divisors (26977991).

85244665 is a wasteful number, since it uses less digits than its factorization.

85244665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760.

The product of its digits is 230400, while the sum is 40.

The square root of 85244665 is about 9232.8037453419. The cubic root of 85244665 is about 440.1044259720.

The spelling of 85244665 in words is "eighty-five million, two hundred forty-four thousand, six hundred sixty-five".