85302785 has 8 divisors (see below), whose sum is σ = 102417216. Its totient is φ = 68206320.

The previous prime is 85302781. The next prime is 85302853. The reversal of 85302785 is 58720358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85302785 - 2² = 85302781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85302781) 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 7 ways as a sum of consecutive naturals, for example, 10532 + ... + 16778.

It is an arithmetic number, because the mean of its divisors is an integer number (12802152).

Almost surely, 2^85302785 is an apocalyptic number.

It is an amenable number.

85302785 is a deficient number, since it is larger than the sum of its proper divisors (17114431).

85302785 is a wasteful number, since it uses less digits than its factorization.

85302785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8983.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 85302785 is about 9235.9506819818. The cubic root of 85302785 is about 440.2044246374.

It can be divided in two parts, 85 and 302785, that multiplied together give a triangular number (25736725 = T₇₁₇₄).

The spelling of 85302785 in words is "eighty-five million, three hundred two thousand, seven hundred eighty-five".