86228829 has 12 divisors (see below), whose sum is σ = 125838076. Its totient is φ = 56892672.

The previous prime is 86228801. The next prime is 86228837. The reversal of 86228829 is 92882268.

It can be written as a sum of positive squares in 2 ways, for example, as 50552100 + 35676729 = 7110^2 + 5973^2 .

It is not a de Polignac number, because 86228829 - 2¹³ = 86220637 is a prime.

It is a super-2 number, since 2×86228829² = 14870821901422482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86228869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48514 + ... + 50259.

Almost surely, 2^86228829 is an apocalyptic number.

It is an amenable number.

86228829 is a deficient number, since it is larger than the sum of its proper divisors (39609247).

86228829 is a wasteful number, since it uses less digits than its factorization.

86228829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98876 (or 98873 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 86228829 is about 9285.9479322253. The cubic root of 86228829 is about 441.7916426836.

The spelling of 86228829 in words is "eighty-six million, two hundred twenty-eight thousand, eight hundred twenty-nine".