86822566844 has 12 divisors (see below), whose sum is σ = 163627145304. Its totient is φ = 40071953904.

The previous prime is 86822566843. The next prime is 86822566847. The reversal of 86822566844 is 44866522868.

It is a happy number.

It is a super-2 number, since 2×86822566844² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86822566843) 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, 834832322 + ... + 834832425.

It is an arithmetic number, because the mean of its divisors is an integer number (13635595442).

Almost surely, 2^86822566844 is an apocalyptic number.

It is an amenable number.

86822566844 is a deficient number, since it is larger than the sum of its proper divisors (76804578460).

86822566844 is a wasteful number, since it uses less digits than its factorization.

86822566844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669664764 (or 1669664762 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 59.

The spelling of 86822566844 in words is "eighty-six billion, eight hundred twenty-two million, five hundred sixty-six thousand, eight hundred forty-four".