8987447898 has 48 divisors (see below), whose sum is σ = 22877146656. Its totient is φ = 2513970720.

The previous prime is 8987447897. The next prime is 8987447923.

8987447898 is a `hidden beast` number, since 8 + 98 + 7 + 447 + 8 + 98 = 666.

8987447898 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8987447897) 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, 1743240 + ... + 1748387.

It is an arithmetic number, because the mean of its divisors is an integer number (476607222).

Almost surely, 2^8987447898 is an apocalyptic number.

8987447898 is an abundant number, since it is smaller than the sum of its proper divisors (13889698758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8987447898 is a wasteful number, since it uses less digits than its factorization.

8987447898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491659 (or 3491656 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 72.

The square root of 8987447898 is about 94802.1513363489. The cubic root of 8987447898 is about 2079.1163574293.

The spelling of 8987447898 in words is "eight billion, nine hundred eighty-seven million, four hundred forty-seven thousand, eight hundred ninety-eight".