85700085 has 16 divisors (see below), whose sum is σ = 137306880. Its totient is φ = 45644480.

The previous prime is 85700081. The next prime is 85700101. The reversal of 85700085 is 58000758.

It is not a de Polignac number, because 85700085 - 2² = 85700081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85700081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8836 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (8581680).

Almost surely, 2^85700085 is an apocalyptic number.

It is an amenable number.

85700085 is a deficient number, since it is larger than the sum of its proper divisors (51606795).

85700085 is a wasteful number, since it uses less digits than its factorization.

85700085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 85700085 is about 9257.4340397326. The cubic root of 85700085 is about 440.8867876459.

The spelling of 85700085 in words is "eighty-five million, seven hundred thousand, eighty-five".