86585722229 has 4 divisors (see below), whose sum is σ = 87159137760. Its totient is φ = 86012306700.

The previous prime is 86585722193. The next prime is 86585722261. The reversal of 86585722229 is 92222758568.

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 86585722229 - 2¹⁶ = 86585656693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86585722429) 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 3 ways as a sum of consecutive naturals, for example, 286707539 + ... + 286707840.

It is an arithmetic number, because the mean of its divisors is an integer number (21789784440).

Almost surely, 2^86585722229 is an apocalyptic number.

It is an amenable number.

86585722229 is a deficient number, since it is larger than the sum of its proper divisors (573415531).

86585722229 is a wasteful number, since it uses less digits than its factorization.

86585722229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573415530.

The product of its digits is 9676800, while the sum is 56.

The spelling of 86585722229 in words is "eighty-six billion, five hundred eighty-five million, seven hundred twenty-two thousand, two hundred twenty-nine".