85223744 has 28 divisors (see below), whose sum is σ = 169944288. Its totient is φ = 42403200.

The previous prime is 85223729. The next prime is 85223767. The reversal of 85223744 is 44732258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10349 + ... + 16659.

Almost surely, 2^85223744 is an apocalyptic number.

It is an amenable number.

85223744 is a deficient number, since it is larger than the sum of its proper divisors (84720544).

85223744 is a wasteful number, since it uses less digits than its factorization.

85223744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534 (or 6524 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 85223744 is about 9231.6707046991. The cubic root of 85223744 is about 440.0684191125.

The spelling of 85223744 in words is "eighty-five million, two hundred twenty-three thousand, seven hundred forty-four".