8448947892 has 288 divisors, whose sum is σ = 29264256000. Its totient is φ = 2078758080.

The previous prime is 8448947879. The next prime is 8448947933. The reversal of 8448947892 is 2987498448.

8448947892 is a `hidden beast` number, since 84 + 4 + 89 + 478 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1102209 + ... + 1109847.

It is an arithmetic number, because the mean of its divisors is an integer number (101612000).

Almost surely, 2^8448947892 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 8448947892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14632128000).

8448947892 is an abundant number, since it is smaller than the sum of its proper divisors (20815308108).

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

8448947892 is a wasteful number, since it uses less digits than its factorization.

8448947892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696 (or 7681 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The square root of 8448947892 is about 91918.1586630194. The cubic root of 8448947892 is about 2036.7335181213.

The spelling of 8448947892 in words is "eight billion, four hundred forty-eight million, nine hundred forty-seven thousand, eight hundred ninety-two".