9980881529859 has 24 divisors (see below), whose sum is σ = 15272702220672. Its totient is φ = 6259303814400.

The previous prime is 9980881529831. The next prime is 9980881529867. The reversal of 9980881529859 is 9589251880899.

It is a happy number.

9980881529859 is a `hidden beast` number, since 9 + 9 + 8 + 0 + 8 + 8 + 1 + 529 + 85 + 9 = 666.

9980881529859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9980881529859 - 2⁹ = 9980881529347 is a prime.

It is a super-2 number, since 2×9980881529859² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9980881529459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16419724 + ... + 17016729.

It is an arithmetic number, because the mean of its divisors is an integer number (636362592528).

Almost surely, 2^{9980881529859} is an apocalyptic number.

9980881529859 is a deficient number, since it is larger than the sum of its proper divisors (5291820690813).

9980881529859 is a wasteful number, since it uses less digits than its factorization.

9980881529859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33438427 (or 33438424 counting only the distinct ones).

The product of its (nonzero) digits is 1343692800, while the sum is 81.

The spelling of 9980881529859 in words is "nine trillion, nine hundred eighty billion, eight hundred eighty-one million, five hundred twenty-nine thousand, eight hundred fifty-nine".