8749521384 has 16 divisors (see below), whose sum is σ = 21873803520. Its totient is φ = 2916507120.

The previous prime is 8749521371. The next prime is 8749521419. The reversal of 8749521384 is 4831259478.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 182281672 + ... + 182281719.

It is an arithmetic number, because the mean of its divisors is an integer number (1367112720).

Almost surely, 2^8749521384 is an apocalyptic number.

It is an amenable number.

8749521384 is an abundant number, since it is smaller than the sum of its proper divisors (13124282136).

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

8749521384 is a wasteful number, since it uses less digits than its factorization.

8749521384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364563400 (or 364563396 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 8749521384 is about 93538.8763242322. The cubic root of 8749521384 is about 2060.6050775414.

The spelling of 8749521384 in words is "eight billion, seven hundred forty-nine million, five hundred twenty-one thousand, three hundred eighty-four".