86547223 has 24 divisors (see below), whose sum is σ = 108082080. Its totient is φ = 67798080.

The previous prime is 86547211. The next prime is 86547239. The reversal of 86547223 is 32274568.

It is a de Polignac number, because none of the positive numbers 2^k-86547223 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 (86547523) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 72693 + ... + 73873.

It is an arithmetic number, because the mean of its divisors is an integer number (4503420).

Almost surely, 2^86547223 is an apocalyptic number.

86547223 is a deficient number, since it is larger than the sum of its proper divisors (21534857).

86547223 is a wasteful number, since it uses less digits than its factorization.

86547223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1236 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 86547223 is about 9303.0759966798. The cubic root of 86547223 is about 442.3347365024.

The spelling of 86547223 in words is "eighty-six million, five hundred forty-seven thousand, two hundred twenty-three".