8981551898 has 32 divisors (see below), whose sum is σ = 14804856000. Its totient is φ = 4052684160.

The previous prime is 8981551847. The next prime is 8981551907.

8981551898 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8981551898.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160590 + ... + 2164742.

It is an arithmetic number, because the mean of its divisors is an integer number (462651750).

Almost surely, 2^8981551898 is an apocalyptic number.

8981551898 is a deficient number, since it is larger than the sum of its proper divisors (5823304102).

8981551898 is a wasteful number, since it uses less digits than its factorization.

8981551898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862.

The product of its digits is 8294400, while the sum is 62.

The square root of 8981551898 is about 94771.0498939418. The cubic root of 8981551898 is about 2078.6616064706.

The spelling of 8981551898 in words is "eight billion, nine hundred eighty-one million, five hundred fifty-one thousand, eight hundred ninety-eight".