8727988770 has 192 divisors, whose sum is σ = 25059715200. Its totient is φ = 2098897920.

The previous prime is 8727988757. The next prime is 8727988771. The reversal of 8727988770 is 778897278.

It is a super-2 number, since 2×8727988770² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8727988698 and 8727988707.

It is not an unprimeable number, because it can be changed into a prime (8727988771) 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 95 ways as a sum of consecutive naturals, for example, 3618865 + ... + 3621275.

It is an arithmetic number, because the mean of its divisors is an integer number (130519350).

Almost surely, 2^8727988770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8727988770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12529857600).

8727988770 is an abundant number, since it is smaller than the sum of its proper divisors (16331726430).

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

8727988770 is a wasteful number, since it uses less digits than its factorization.

8727988770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 63.

The square root of 8727988770 is about 93423.7056105141. The cubic root of 8727988770 is about 2058.9133026402.

The spelling of 8727988770 in words is "eight billion, seven hundred twenty-seven million, nine hundred eighty-eight thousand, seven hundred seventy".