85351686 has 32 divisors (see below), whose sum is σ = 205359360. Its totient is φ = 23102496.

The previous prime is 85351681. The next prime is 85351691. The reversal of 85351686 is 68615358.

It is an interprime number because it is at equal distance from previous prime (85351681) and next prime (85351691).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85351681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52681 + ... + 54276.

It is an arithmetic number, because the mean of its divisors is an integer number (6417480).

Almost surely, 2^85351686 is an apocalyptic number.

85351686 is an abundant number, since it is smaller than the sum of its proper divisors (120007674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85351686 is a wasteful number, since it uses less digits than its factorization.

85351686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106988.

The product of its digits is 172800, while the sum is 42.

The square root of 85351686 is about 9238.5976208513. The cubic root of 85351686 is about 440.2885263247.

The spelling of 85351686 in words is "eighty-five million, three hundred fifty-one thousand, six hundred eighty-six".