8461808736 has 48 divisors (see below), whose sum is σ = 22576398768. Its totient is φ = 2774361600.

The previous prime is 8461808713. The next prime is 8461808741. The reversal of 8461808736 is 6378081648.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716635 + ... + 728346.

It is an arithmetic number, because the mean of its divisors is an integer number (470341641).

Almost surely, 2^8461808736 is an apocalyptic number.

It is an amenable number.

8461808736 is an abundant number, since it is smaller than the sum of its proper divisors (14114590032).

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

8461808736 is a wasteful number, since it uses less digits than its factorization.

8461808736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445055 (or 1445047 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 8461808736 is about 91988.0901856322. The cubic root of 8461808736 is about 2037.7664211867.

The spelling of 8461808736 in words is "eight billion, four hundred sixty-one million, eight hundred eight thousand, seven hundred thirty-six".