85686382674 has 12 divisors (see below), whose sum is σ = 185653829166. Its totient is φ = 28562127552.

The previous prime is 85686382673. The next prime is 85686382687. The reversal of 85686382674 is 47628368658.

85686382674 is a `hidden beast` number, since 8 + 568 + 6 + 3 + 8 + 2 + 67 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57052666449 + 28633716225 = 238857^2 + 169215^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85686382673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2380177279 + ... + 2380177314.

Almost surely, 2^85686382674 is an apocalyptic number.

85686382674 is an abundant number, since it is smaller than the sum of its proper divisors (99967446492).

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

85686382674 is a wasteful number, since it uses less digits than its factorization.

85686382674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760354601 (or 4760354598 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 85686382674 in words is "eighty-five billion, six hundred eighty-six million, three hundred eighty-two thousand, six hundred seventy-four".