86280823444 has 6 divisors (see below), whose sum is σ = 150991441034. Its totient is φ = 43140411720.

The previous prime is 86280823399. The next prime is 86280823451. The reversal of 86280823444 is 44432808268.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76408016400 + 9872807044 = 276420^2 + 99362^2 .

It is a super-2 number, since 2×86280823444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10785102927 + ... + 10785102934.

Almost surely, 2^86280823444 is an apocalyptic number.

It is an amenable number.

86280823444 is a deficient number, since it is larger than the sum of its proper divisors (64710617590).

86280823444 is a wasteful number, since it uses less digits than its factorization.

86280823444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21570205865 (or 21570205863 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 49.

The spelling of 86280823444 in words is "eighty-six billion, two hundred eighty million, eight hundred twenty-three thousand, four hundred forty-four".