8880894686889 has 81 divisors (see below), whose sum is σ = 13838378589399. Its totient is φ = 5487167226240.

The previous prime is 8880894686879. The next prime is 8880894686893. The reversal of 8880894686889 is 9886864980888.

The square root of 8880894686889 is 2980083.

It is a perfect power (a square), and thus also a powerful number.

8880894686889 is a `hidden beast` number, since 8 + 8 + 8 + 0 + 8 + 9 + 468 + 68 + 89 = 666.

8880894686889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6914191365225 + 1966703321664 = 2629485^2 + 1402392^2 .

It is not a de Polignac number, because 8880894686889 - 2¹¹ = 8880894684841 is a prime.

It is a super-2 number, since 2×8880894686889² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8880894686799 and 8880894686808.

It is not an unprimeable number, because it can be changed into a prime (8880894686819) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 10790880132 + ... + 10790880954.

Almost surely, 2^{8880894686889} is an apocalyptic number.

8880894686889 is the 2980083-rd square number.

8880894686889 is the 1490042-nd centered octagonal number.

It is an amenable number.

8880894686889 is a deficient number, since it is larger than the sum of its proper divisors (4957483902510).

8880894686889 is an frugal number, since it uses more digits than its factorization.

8880894686889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 24461180928, while the sum is 90.

The spelling of 8880894686889 in words is "eight trillion, eight hundred eighty billion, eight hundred ninety-four million, six hundred eighty-six thousand, eight hundred eighty-nine".