8747993376 has 144 divisors (see below), whose sum is σ = 27089899200. Its totient is φ = 2667216384.

The previous prime is 8747993333. The next prime is 8747993377. The reversal of 8747993376 is 6733997478.

8747993376 is a `hidden beast` number, since 8 + 7 + 479 + 93 + 3 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (8747993377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131125 + ... + 186251.

It is an arithmetic number, because the mean of its divisors is an integer number (188124300).

Almost surely, 2^8747993376 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 8747993376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13544949600).

8747993376 is an abundant number, since it is smaller than the sum of its proper divisors (18341905824).

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

8747993376 is a wasteful number, since it uses less digits than its factorization.

8747993376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55191 (or 55180 counting only the distinct ones).

The product of its digits is 48009024, while the sum is 63.

The square root of 8747993376 is about 93530.7081978962. The cubic root of 8747993376 is about 2060.4851165282.

The spelling of 8747993376 in words is "eight billion, seven hundred forty-seven million, nine hundred ninety-three thousand, three hundred seventy-six".