8981667448 has 48 divisors (see below), whose sum is σ = 18740174040. Its totient is φ = 4011618240.

The previous prime is 8981667439. The next prime is 8981667451. The reversal of 8981667448 is 8447661898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55011 + ... + 144877.

Almost surely, 2^8981667448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8981667448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9370087020).

8981667448 is an abundant number, since it is smaller than the sum of its proper divisors (9758506592).

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

8981667448 is a wasteful number, since it uses less digits than its factorization.

8981667448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89948 (or 89913 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 61.

The square root of 8981667448 is about 94771.6595190777. The cubic root of 8981667448 is about 2078.6705206063.

The spelling of 8981667448 in words is "eight billion, nine hundred eighty-one million, six hundred sixty-seven thousand, four hundred forty-eight".