86021224199 has 4 divisors (see below), whose sum is σ = 88119302880. Its totient is φ = 83923145520.

The previous prime is 86021224181. The next prime is 86021224213. The reversal of 86021224199 is 99142212068.

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-86021224199 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 (86021224999) 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, 1049039279 + ... + 1049039360.

It is an arithmetic number, because the mean of its divisors is an integer number (22029825720).

Almost surely, 2^86021224199 is an apocalyptic number.

86021224199 is a deficient number, since it is larger than the sum of its proper divisors (2098078681).

86021224199 is a wasteful number, since it uses less digits than its factorization.

86021224199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098078680.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 86021224199 in words is "eighty-six billion, twenty-one million, two hundred twenty-four thousand, one hundred ninety-nine".