8461727844 has 24 divisors (see below), whose sum is σ = 20078677920. Its totient is φ = 2772769344.

The previous prime is 8461727821. The next prime is 8461727863. The reversal of 8461727844 is 4487271648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975089 + ... + 5976504.

It is an arithmetic number, because the mean of its divisors is an integer number (836611580).

Almost surely, 2^8461727844 is an apocalyptic number.

It is an amenable number.

8461727844 is an abundant number, since it is smaller than the sum of its proper divisors (11616950076).

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

8461727844 is a wasteful number, since it uses less digits than its factorization.

8461727844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11951659 (or 11951657 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 51.

The square root of 8461727844 is about 91987.6504972271. The cubic root of 8461727844 is about 2037.7599277158.

The spelling of 8461727844 in words is "eight billion, four hundred sixty-one million, seven hundred twenty-seven thousand, eight hundred forty-four".