8281133984 has 24 divisors (see below), whose sum is σ = 16744119588. Its totient is φ = 4028659200.

The previous prime is 8281133963. The next prime is 8281134031. The reversal of 8281133984 is 4893311828.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8118010000 + 163123984 = 90100^2 + 12772^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3495917 + ... + 3498284.

Almost surely, 2^8281133984 is an apocalyptic number.

It is an amenable number.

8281133984 is an abundant number, since it is smaller than the sum of its proper divisors (8462985604).

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

8281133984 is a wasteful number, since it uses less digits than its factorization.

8281133984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994248 (or 6994240 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 8281133984 is about 91000.7361728464. The cubic root of 8281133984 is about 2023.1586357537.

The spelling of 8281133984 in words is "eight billion, two hundred eighty-one million, one hundred thirty-three thousand, nine hundred eighty-four".