85309624 has 16 divisors (see below), whose sum is σ = 162209520. Its totient is φ = 42053760.

The previous prime is 85309607. The next prime is 85309663. The reversal of 85309624 is 42690358.

It is a congruent number.

It is an unprimeable number.

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, 74529 + ... + 75664.

It is an arithmetic number, because the mean of its divisors is an integer number (10138095).

Almost surely, 2^85309624 is an apocalyptic number.

It is an amenable number.

85309624 is a deficient number, since it is larger than the sum of its proper divisors (76899896).

85309624 is a wasteful number, since it uses less digits than its factorization.

85309624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150270 (or 150266 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 85309624 is about 9236.3209125712. The cubic root of 85309624 is about 440.2161885269.

The spelling of 85309624 in words is "eighty-five million, three hundred nine thousand, six hundred twenty-four".