8016888881 has 2 divisors, whose sum is σ = 8016888882. Its totient is φ = 8016888880.

The previous prime is 8016888877. The next prime is 8016888977. The reversal of 8016888881 is 1888886108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7368677281 + 648211600 = 85841^2 + 25460^2 .

It is a cyclic number.

It is not a de Polignac number, because 8016888881 - 2² = 8016888877 is a prime.

It is a super-2 number, since 2×8016888881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8016888811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4008444440 + 4008444441.

It is an arithmetic number, because the mean of its divisors is an integer number (4008444441).

Almost surely, 2^8016888881 is an apocalyptic number.

It is an amenable number.

8016888881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8016888881 is an equidigital number, since it uses as much as digits as its factorization.

8016888881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1572864, while the sum is 56.

The square root of 8016888881 is about 89537.0810390868. The cubic root of 8016888881 is about 2001.4064175131.

The spelling of 8016888881 in words is "eight billion, sixteen million, eight hundred eighty-eight thousand, eight hundred eighty-one".