85738861686 has 16 divisors (see below), whose sum is σ = 171480647664. Its totient is φ = 28579133184.

The previous prime is 85738861679. The next prime is 85738861687. The reversal of 85738861686 is 68616883758.

It is a super-2 number, since 2×85738861686² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85738861687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516826 + ... + 662258.

It is an arithmetic number, because the mean of its divisors is an integer number (10717540479).

Almost surely, 2^85738861686 is an apocalyptic number.

85738861686 is an abundant number, since it is smaller than the sum of its proper divisors (85741785978).

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

85738861686 is a wasteful number, since it uses less digits than its factorization.

85738861686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243695.

The product of its digits is 92897280, while the sum is 66.

The spelling of 85738861686 in words is "eighty-five billion, seven hundred thirty-eight million, eight hundred sixty-one thousand, six hundred eighty-six".