85330775 has 12 divisors (see below), whose sum is σ = 105992472. Its totient is φ = 68147040.

The previous prime is 85330771. The next prime is 85330801. The reversal of 85330775 is 57703358.

It is a happy number.

It is not a de Polignac number, because 85330775 - 2² = 85330771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85330771) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13712 + ... + 18938.

It is an arithmetic number, because the mean of its divisors is an integer number (8832706).

Almost surely, 2^85330775 is an apocalyptic number.

85330775 is a deficient number, since it is larger than the sum of its proper divisors (20661697).

85330775 is a wasteful number, since it uses less digits than its factorization.

85330775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890 (or 5885 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 85330775 is about 9237.4658321425. The cubic root of 85330775 is about 440.2525667719.

It can be divided in two parts, 85330 and 775, that multiplied together give a triangular number (66130750 = T₁₁₅₀₀).

The spelling of 85330775 in words is "eighty-five million, three hundred thirty thousand, seven hundred seventy-five".