8731644364 has 12 divisors (see below), whose sum is σ = 15281668584. Its totient is φ = 4365453344.

The previous prime is 8731644359. The next prime is 8731644377. The reversal of 8731644364 is 4634461378.

It is a super-2 number, since 2×8731644364² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 35002 + ... + 136705.

It is an arithmetic number, because the mean of its divisors is an integer number (1273472382).

Almost surely, 2^8731644364 is an apocalyptic number.

It is an amenable number.

8731644364 is a deficient number, since it is larger than the sum of its proper divisors (6550024220).

8731644364 is a wasteful number, since it uses less digits than its factorization.

8731644364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184424 (or 184422 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The square root of 8731644364 is about 93443.2681577437. The cubic root of 8731644364 is about 2059.2007113725.

The spelling of 8731644364 in words is "eight billion, seven hundred thirty-one million, six hundred forty-four thousand, three hundred sixty-four".