86223055019 has 4 divisors (see below), whose sum is σ = 87191853480. Its totient is φ = 85254256560.

The previous prime is 86223054989. The next prime is 86223055027. The reversal of 86223055019 is 91055032268.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86223055019 is a prime.

It is a super-2 number, since 2×86223055019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86223015019) 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, 484399097 + ... + 484399274.

It is an arithmetic number, because the mean of its divisors is an integer number (21797963370).

Almost surely, 2^86223055019 is an apocalyptic number.

86223055019 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

86223055019 is a deficient number, since it is larger than the sum of its proper divisors (968798461).

86223055019 is an equidigital number, since it uses as much as digits as its factorization.

86223055019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968798460.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 86223055019 in words is "eighty-six billion, two hundred twenty-three million, fifty-five thousand, nineteen".