8988258981 has 8 divisors (see below), whose sum is σ = 12906218080. Its totient is φ = 5531236272.

The previous prime is 8988258977. The next prime is 8988259013. The reversal of 8988258981 is 1898528898.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8988258981 - 2² = 8988258977 is a prime.

It is a super-2 number, since 2×8988258981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8988258901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115234051 + ... + 115234128.

It is an arithmetic number, because the mean of its divisors is an integer number (1613277260).

Almost surely, 2^8988258981 is an apocalyptic number.

It is an amenable number.

8988258981 is a deficient number, since it is larger than the sum of its proper divisors (3917959099).

8988258981 is a wasteful number, since it uses less digits than its factorization.

8988258981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230468195.

The product of its digits is 26542080, while the sum is 66.

The square root of 8988258981 is about 94806.4290066871. The cubic root of 8988258981 is about 2079.1788996633.

The spelling of 8988258981 in words is "eight billion, nine hundred eighty-eight million, two hundred fifty-eight thousand, nine hundred eighty-one".