86866223 has 16 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 81967200.

The previous prime is 86866217. The next prime is 86866229. The reversal of 86866223 is 32266868.

It is an interprime number because it is at equal distance from previous prime (86866217) and next prime (86866229).

It is a cyclic number.

It is not a de Polignac number, because 86866223 - 2⁴ = 86866207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86866229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363338 + ... + 363576.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^86866223 is an apocalyptic number.

86866223 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

86866223 is a deficient number, since it is larger than the sum of its proper divisors (5063377).

86866223 is a wasteful number, since it uses less digits than its factorization.

86866223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its digits is 165888, while the sum is 41.

The square root of 86866223 is about 9320.2050943099. The cubic root of 86866223 is about 442.8775298528.

The spelling of 86866223 in words is "eighty-six million, eight hundred sixty-six thousand, two hundred twenty-three".