8702789940 has 288 divisors, whose sum is σ = 30245473440. Its totient is φ = 2013548544.

The previous prime is 8702789939. The next prime is 8702789947. The reversal of 8702789940 is 499872078.

It can be written as a sum of positive squares in 16 ways, for example, as 2370131856 + 6332658084 = 48684^2 + 79578^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8702789947) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 11496042 + ... + 11496798.

It is an arithmetic number, because the mean of its divisors is an integer number (105019005).

Almost surely, 2^8702789940 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 8702789940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15122736720).

8702789940 is an abundant number, since it is smaller than the sum of its proper divisors (21542683500).

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

8702789940 is a wasteful number, since it uses less digits than its factorization.

8702789940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 8702789940 is about 93288.7449803030. The cubic root of 8702789940 is about 2056.9299432006.

The spelling of 8702789940 in words is "eight billion, seven hundred two million, seven hundred eighty-nine thousand, nine hundred forty".