988879722281 has 32 divisors (see below), whose sum is σ = 1114757683200. Its totient is φ = 869566726080.

The previous prime is 988879722269. The next prime is 988879722319. The reversal of 988879722281 is 182227978889.

It is a cyclic number.

It is not a de Polignac number, because 988879722281 - 2¹⁸ = 988879460137 is a prime.

It is a super-2 number, since 2×988879722281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988879772281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14989490 + ... + 15055316.

It is an arithmetic number, because the mean of its divisors is an integer number (34836177600).

Almost surely, 2^988879722281 is an apocalyptic number.

It is an amenable number.

988879722281 is a deficient number, since it is larger than the sum of its proper divisors (125877960919).

988879722281 is a wasteful number, since it uses less digits than its factorization.

988879722281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66269.

The product of its digits is 130056192, while the sum is 71.

The spelling of 988879722281 in words is "nine hundred eighty-eight billion, eight hundred seventy-nine million, seven hundred twenty-two thousand, two hundred eighty-one".