86856422 has 16 divisors (see below), whose sum is σ = 132510912. Its totient is φ = 42690240.

The previous prime is 86856403. The next prime is 86856449. The reversal of 86856422 is 22465868.

It is a self number, because there is not a number n which added to its sum of digits gives 86856422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52772 + ... + 54392.

It is an arithmetic number, because the mean of its divisors is an integer number (8281932).

Almost surely, 2^86856422 is an apocalyptic number.

86856422 is a deficient number, since it is larger than the sum of its proper divisors (45654490).

86856422 is a wasteful number, since it uses less digits than its factorization.

86856422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063.

The product of its digits is 184320, while the sum is 41.

The square root of 86856422 is about 9319.6792863274. The cubic root of 86856422 is about 442.8608727995.

It can be divided in two parts, 86856 and 422, that added together give a palindrome (87278).

The spelling of 86856422 in words is "eighty-six million, eight hundred fifty-six thousand, four hundred twenty-two".