85789724 has 12 divisors (see below), whose sum is σ = 156659664. Its totient is φ = 41029824.

The previous prime is 85789721. The next prime is 85789763. The reversal of 85789724 is 42798758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85789721) 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 3 ways as a sum of consecutive naturals, for example, 466157 + ... + 466340.

It is an arithmetic number, because the mean of its divisors is an integer number (13054972).

Almost surely, 2^85789724 is an apocalyptic number.

It is an amenable number.

85789724 is a deficient number, since it is larger than the sum of its proper divisors (70869940).

85789724 is a wasteful number, since it uses less digits than its factorization.

85789724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932524 (or 932522 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The square root of 85789724 is about 9262.2742347655. The cubic root of 85789724 is about 441.0404509697.

The spelling of 85789724 in words is "eighty-five million, seven hundred eighty-nine thousand, seven hundred twenty-four".