86688223 has 2 divisors, whose sum is σ = 86688224. Its totient is φ = 86688222.

The previous prime is 86688193. The next prime is 86688269. The reversal of 86688223 is 32288668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86688223 - 2²¹ = 84591071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86688223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86688923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43344111 + 43344112.

It is an arithmetic number, because the mean of its divisors is an integer number (43344112).

Almost surely, 2^86688223 is an apocalyptic number.

86688223 is a deficient number, since it is larger than the sum of its proper divisors (1).

86688223 is an equidigital number, since it uses as much as digits as its factorization.

86688223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The square root of 86688223 is about 9310.6510513497. The cubic root of 86688223 is about 442.5748187616.

The spelling of 86688223 in words is "eighty-six million, six hundred eighty-eight thousand, two hundred twenty-three".