85683328 has 16 divisors (see below), whose sum is σ = 170697510. Its totient is φ = 42841600.

The previous prime is 85683263. The next prime is 85683329. The reversal of 85683328 is 82338658.

It can be written as a sum of positive squares in only one way, i.e., 75898944 + 9784384 = 8712^2 + 3128^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (85683329) 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 as a sum of consecutive naturals, namely, 334573 + ... + 334828.

Almost surely, 2^85683328 is an apocalyptic number.

It is an amenable number.

85683328 is a deficient number, since it is larger than the sum of its proper divisors (85014182).

85683328 is an equidigital number, since it uses as much as digits as its factorization.

85683328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669415 (or 669403 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 85683328 is about 9256.5289390786. The cubic root of 85683328 is about 440.8580501347.

The spelling of 85683328 in words is "eighty-five million, six hundred eighty-three thousand, three hundred twenty-eight".