86151229 has 4 divisors (see below), whose sum is σ = 87039484. Its totient is φ = 85262976.

The previous prime is 86151211. The next prime is 86151253. The reversal of 86151229 is 92215168.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22071204 + 64080025 = 4698^2 + 8005^2 .

It is a cyclic number.

It is not a de Polignac number, because 86151229 - 2⁷ = 86151101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86151194 and 86151203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86151259) 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, 443982 + ... + 444175.

It is an arithmetic number, because the mean of its divisors is an integer number (21759871).

Almost surely, 2^86151229 is an apocalyptic number.

It is an amenable number.

86151229 is a deficient number, since it is larger than the sum of its proper divisors (888255).

86151229 is an equidigital number, since it uses as much as digits as its factorization.

86151229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888254.

The product of its digits is 8640, while the sum is 34.

The square root of 86151229 is about 9281.7686353410. The cubic root of 86151229 is about 441.6590755706.

The spelling of 86151229 in words is "eighty-six million, one hundred fifty-one thousand, two hundred twenty-nine".