86223197 has 4 divisors (see below), whose sum is σ = 90761280. Its totient is φ = 81685116.

The previous prime is 86223187. The next prime is 86223211. The reversal of 86223197 is 79132268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86223197 - 2¹⁶ = 86157661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86223197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86223107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269013 + ... + 2269050.

It is an arithmetic number, because the mean of its divisors is an integer number (22690320).

Almost surely, 2^86223197 is an apocalyptic number.

It is an amenable number.

86223197 is a deficient number, since it is larger than the sum of its proper divisors (4538083).

86223197 is a wasteful number, since it uses less digits than its factorization.

86223197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538082.

The product of its digits is 36288, while the sum is 38.

The square root of 86223197 is about 9285.6446733654. The cubic root of 86223197 is about 441.7820239952.

The spelling of 86223197 in words is "eighty-six million, two hundred twenty-three thousand, one hundred ninety-seven".