8727839129940 has 192 divisors, whose sum is σ = 28923945566208. Its totient is φ = 1924292505600.

The previous prime is 8727839129927. The next prime is 8727839129951. The reversal of 8727839129940 is 499219387278.

It is a super-2 number, since 2×8727839129940² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2905380 + ... + 5088900.

It is an arithmetic number, because the mean of its divisors is an integer number (150645549824).

Almost surely, 2^{8727839129940} 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 8727839129940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14461972783104).

8727839129940 is an abundant number, since it is smaller than the sum of its proper divisors (20196106436268).

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

8727839129940 is a wasteful number, since it uses less digits than its factorization.

8727839129940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183878 (or 2183876 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 69.

The spelling of 8727839129940 in words is "eight trillion, seven hundred twenty-seven billion, eight hundred thirty-nine million, one hundred twenty-nine thousand, nine hundred forty".