84866223 has 24 divisors (see below), whose sum is σ = 124261392. Its totient is φ = 51487488.

The previous prime is 84866167. The next prime is 84866237. The reversal of 84866223 is 32266848.

It is a de Polignac number, because none of the positive numbers 2^k-84866223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84866423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35865 + ... + 38157.

It is an arithmetic number, because the mean of its divisors is an integer number (5177558).

Almost surely, 2^84866223 is an apocalyptic number.

84866223 is a deficient number, since it is larger than the sum of its proper divisors (39395169).

84866223 is a wasteful number, since it uses less digits than its factorization.

84866223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2382 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 84866223 is about 9212.2865239852. The cubic root of 84866223 is about 439.4521815181.

The spelling of 84866223 in words is "eighty-four million, eight hundred sixty-six thousand, two hundred twenty-three".