8613781704 has 160 divisors (see below), whose sum is σ = 27464754240. Its totient is φ = 2496700800.

The previous prime is 8613781691. The next prime is 8613781807. The reversal of 8613781704 is 4071873168.

It is a self number, because there is not a number n which added to its sum of digits gives 8613781704.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 137674 + ... + 190214.

It is an arithmetic number, because the mean of its divisors is an integer number (171654714).

Almost surely, 2^8613781704 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 8613781704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13732377120).

8613781704 is an abundant number, since it is smaller than the sum of its proper divisors (18850972536).

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

8613781704 is a wasteful number, since it uses less digits than its factorization.

8613781704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52593 (or 52580 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 8613781704 is about 92810.4611776065. The cubic root of 8613781704 is about 2049.8934470892.

The spelling of 8613781704 in words is "eight billion, six hundred thirteen million, seven hundred eighty-one thousand, seven hundred four".