86822442817 has 4 divisors (see below), whose sum is σ = 94715392176. Its totient is φ = 78929493460.

The previous prime is 86822442781. The next prime is 86822442821. The reversal of 86822442817 is 71824422868.

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 86822442817 - 2¹¹ = 86822440769 is a prime.

It is a super-2 number, since 2×86822442817² (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 (86822442827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3946474663 + ... + 3946474684.

It is an arithmetic number, because the mean of its divisors is an integer number (23678848044).

Almost surely, 2^86822442817 is an apocalyptic number.

It is an amenable number.

86822442817 is a deficient number, since it is larger than the sum of its proper divisors (7892949359).

86822442817 is a wasteful number, since it uses less digits than its factorization.

86822442817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892949358.

The product of its digits is 2752512, while the sum is 52.

The spelling of 86822442817 in words is "eighty-six billion, eight hundred twenty-two million, four hundred forty-two thousand, eight hundred seventeen".