8008884400081 has 4 divisors (see below), whose sum is σ = 8285052827700. Its totient is φ = 7732715972464.

The previous prime is 8008884400073. The next prime is 8008884400103. The reversal of 8008884400081 is 1800044888008.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2629453590481 + 5379430809600 = 1621559^2 + 2319360^2 .

It is a cyclic number.

It is not a de Polignac number, because 8008884400081 - 2³ = 8008884400073 is a prime.

It is a super-2 number, since 2×8008884400081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8008884399998 and 8008884400034.

It is not an unprimeable number, because it can be changed into a prime (8008884400021) 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, 138084213766 + ... + 138084213823.

It is an arithmetic number, because the mean of its divisors is an integer number (2071263206925).

Almost surely, 2^{8008884400081} is an apocalyptic number.

It is an amenable number.

8008884400081 is a deficient number, since it is larger than the sum of its proper divisors (276168427619).

8008884400081 is a wasteful number, since it uses less digits than its factorization.

8008884400081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276168427618.

The product of its (nonzero) digits is 524288, while the sum is 49.

The spelling of 8008884400081 in words is "eight trillion, eight billion, eight hundred eighty-four million, four hundred thousand, eighty-one".