86656622 has 16 divisors (see below), whose sum is σ = 140141232. Its totient is φ = 39950400.

The previous prime is 86656613. The next prime is 86656637. The reversal of 86656622 is 22665668.

It is a self number, because there is not a number n which added to its sum of digits gives 86656622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36578 + ... + 38874.

It is an arithmetic number, because the mean of its divisors is an integer number (8758827).

Almost surely, 2^86656622 is an apocalyptic number.

86656622 is a deficient number, since it is larger than the sum of its proper divisors (53484610).

86656622 is a wasteful number, since it uses less digits than its factorization.

86656622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763.

The product of its digits is 207360, while the sum is 41.

The square root of 86656622 is about 9308.9538617398. The cubic root of 86656622 is about 442.5210340369.

It can be divided in two parts, 86656 and 622, that added together give a palindrome (87278).

The spelling of 86656622 in words is "eighty-six million, six hundred fifty-six thousand, six hundred twenty-two".