86528229 has 4 divisors (see below), whose sum is σ = 115370976. Its totient is φ = 57685484.

The previous prime is 86528227. The next prime is 86528291. The reversal of 86528229 is 92282568.

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 86528229 - 2¹ = 86528227 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86528227) 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 in 3 ways as a sum of consecutive naturals, for example, 14421369 + ... + 14421374.

It is an arithmetic number, because the mean of its divisors is an integer number (28842744).

Almost surely, 2^86528229 is an apocalyptic number.

It is an amenable number.

86528229 is a deficient number, since it is larger than the sum of its proper divisors (28842747).

86528229 is a wasteful number, since it uses less digits than its factorization.

86528229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28842746.

The product of its digits is 138240, while the sum is 42.

The square root of 86528229 is about 9302.0550955152. The cubic root of 86528229 is about 442.3023752842.

The spelling of 86528229 in words is "eighty-six million, five hundred twenty-eight thousand, two hundred twenty-nine".