85001685 has 16 divisors (see below), whose sum is σ = 136719360. Its totient is φ = 45095360.

The previous prime is 85001681. The next prime is 85001743. The reversal of 85001685 is 58610058.

It is not a de Polignac number, because 85001685 - 2² = 85001681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85001681) 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 15 ways as a sum of consecutive naturals, for example, 11970 + ... + 17699.

It is an arithmetic number, because the mean of its divisors is an integer number (8544960).

Almost surely, 2^85001685 is an apocalyptic number.

It is an amenable number.

85001685 is a deficient number, since it is larger than the sum of its proper divisors (51717675).

85001685 is a wasteful number, since it uses less digits than its factorization.

85001685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29868.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 85001685 is about 9219.6358387954. The cubic root of 85001685 is about 439.6858725527.

The spelling of 85001685 in words is "eighty-five million, one thousand, six hundred eighty-five".