8724735378 has 24 divisors (see below), whose sum is σ = 18916606800. Its totient is φ = 2906243064.

The previous prime is 8724735373. The next prime is 8724735401. The reversal of 8724735378 is 8735374278.

It is a happy number.

8724735378 is a `hidden beast` number, since 87 + 24 + 7 + 3 + 537 + 8 = 666.

It is a super-2 number, since 2×8724735378² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8724735373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139848 + ... + 192371.

It is an arithmetic number, because the mean of its divisors is an integer number (788191950).

Almost surely, 2^8724735378 is an apocalyptic number.

8724735378 is an abundant number, since it is smaller than the sum of its proper divisors (10191871422).

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

8724735378 is a wasteful number, since it uses less digits than its factorization.

8724735378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333686 (or 333683 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The square root of 8724735378 is about 93406.2919615162. The cubic root of 8724735378 is about 2058.6574481814.

The spelling of 8724735378 in words is "eight billion, seven hundred twenty-four million, seven hundred thirty-five thousand, three hundred seventy-eight".