86229789 has 8 divisors (see below), whose sum is σ = 118937760. Its totient is φ = 55504176.

The previous prime is 86229751. The next prime is 86229811. The reversal of 86229789 is 98792268.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86229789 - 2¹⁷ = 86098717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86229719) 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 7 ways as a sum of consecutive naturals, for example, 495487 + ... + 495660.

It is an arithmetic number, because the mean of its divisors is an integer number (14867220).

Almost surely, 2^86229789 is an apocalyptic number.

It is an amenable number.

86229789 is a deficient number, since it is larger than the sum of its proper divisors (32707971).

86229789 is a wasteful number, since it uses less digits than its factorization.

86229789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991179.

The product of its digits is 870912, while the sum is 51.

The square root of 86229789 is about 9285.9996230885. Note that the first 3 decimals coincide. The cubic root of 86229789 is about 441.7932821910.

The spelling of 86229789 in words is "eighty-six million, two hundred twenty-nine thousand, seven hundred eighty-nine".