8880868681 has 2 divisors, whose sum is σ = 8880868682. Its totient is φ = 8880868680.

The previous prime is 8880868669. The next prime is 8880868709. The reversal of 8880868681 is 1868680888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7551610000 + 1329258681 = 86900^2 + 36459^2 .

It is a cyclic number.

It is not a de Polignac number, because 8880868681 - 2⁷ = 8880868553 is a prime.

It is a super-2 number, since 2×8880868681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8880868981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4440434340 + 4440434341.

It is an arithmetic number, because the mean of its divisors is an integer number (4440434341).

Almost surely, 2^8880868681 is an apocalyptic number.

It is an amenable number.

8880868681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8880868681 is an equidigital number, since it uses as much as digits as its factorization.

8880868681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9437184, while the sum is 61.

The square root of 8880868681 is about 94238.3609842616. The cubic root of 8880868681 is about 2070.8651335652.

The spelling of 8880868681 in words is "eight billion, eight hundred eighty million, eight hundred sixty-eight thousand, six hundred eighty-one".