8631704445 has 128 divisors (see below), whose sum is σ = 17341599744. Its totient is φ = 3569577984.

The previous prime is 8631704443. The next prime is 8631704453. The reversal of 8631704445 is 5444071368.

It is not a de Polignac number, because 8631704445 - 2¹ = 8631704443 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8631704397 and 8631704406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8631704443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16503954 + ... + 16504476.

It is an arithmetic number, because the mean of its divisors is an integer number (135481248).

Almost surely, 2^8631704445 is an apocalyptic number.

It is an amenable number.

8631704445 is an abundant number, since it is smaller than the sum of its proper divisors (8709895299).

8631704445 is a wasteful number, since it uses less digits than its factorization.

8631704445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 8631704445 is about 92906.9666117671. The cubic root of 8631704445 is about 2051.3142035197.

The spelling of 8631704445 in words is "eight billion, six hundred thirty-one million, seven hundred four thousand, four hundred forty-five".