8739487872 has 160 divisors (see below), whose sum is σ = 26614782480. Its totient is φ = 2845269504.

The previous prime is 8739487849. The next prime is 8739487907. The reversal of 8739487872 is 2787849378.

8739487872 is a `hidden beast` number, since 8 + 73 + 9 + 487 + 87 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 436023 + ... + 455625.

Almost surely, 2^8739487872 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 8739487872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13307391240).

8739487872 is an abundant number, since it is smaller than the sum of its proper divisors (17875294608).

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

8739487872 is a wasteful number, since it uses less digits than its factorization.

8739487872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19672 (or 19651 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The square root of 8739487872 is about 93485.2280951381. The cubic root of 8739487872 is about 2059.8171101025.

The spelling of 8739487872 in words is "eight billion, seven hundred thirty-nine million, four hundred eighty-seven thousand, eight hundred seventy-two".