86574223 has 2 divisors, whose sum is σ = 86574224. Its totient is φ = 86574222.

The previous prime is 86574209. The next prime is 86574233. The reversal of 86574223 is 32247568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86574223 - 2¹³ = 86566031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86574233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43287111 + 43287112.

It is an arithmetic number, because the mean of its divisors is an integer number (43287112).

Almost surely, 2^86574223 is an apocalyptic number.

86574223 is a deficient number, since it is larger than the sum of its proper divisors (1).

86574223 is an equidigital number, since it uses as much as digits as its factorization.

86574223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 86574223 is about 9304.5270164582. The cubic root of 86574223 is about 442.3807298755.

It can be divided in two parts, 8657 and 4223, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 86574223 in words is "eighty-six million, five hundred seventy-four thousand, two hundred twenty-three".