88004408081 has 4 divisors (see below), whose sum is σ = 88046537700. Its totient is φ = 87962278464.

The previous prime is 88004407987. The next prime is 88004408111. The reversal of 88004408081 is 18080440088.

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 46738548481 + 41265859600 = 216191^2 + 203140^2 .

It is a cyclic number.

It is not a de Polignac number, because 88004408081 - 2¹⁴ = 88004391697 is a prime.

It is a super-2 number, since 2×88004408081² (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 (88004401081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21061676 + ... + 21065853.

It is an arithmetic number, because the mean of its divisors is an integer number (22011634425).

Almost surely, 2^88004408081 is an apocalyptic number.

It is an amenable number.

88004408081 is a deficient number, since it is larger than the sum of its proper divisors (42129619).

88004408081 is a wasteful number, since it uses less digits than its factorization.

88004408081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42129618.

The product of its (nonzero) digits is 65536, while the sum is 41.

The spelling of 88004408081 in words is "eighty-eight billion, four million, four hundred eight thousand, eighty-one".