8580641672 has 16 divisors (see below), whose sum is σ = 16089777600. Its totient is φ = 4290034320.

The previous prime is 8580641633. The next prime is 8580641689. The reversal of 8580641672 is 2761460858.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 145397 + ... + 195707.

It is an arithmetic number, because the mean of its divisors is an integer number (1005611100).

Almost surely, 2^8580641672 is an apocalyptic number.

It is an amenable number.

8580641672 is a deficient number, since it is larger than the sum of its proper divisors (7509135928).

8580641672 is a wasteful number, since it uses less digits than its factorization.

8580641672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71636 (or 71632 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 8580641672 is about 92631.7530439752. The cubic root of 8580641672 is about 2047.2611985873.

The spelling of 8580641672 in words is "eight billion, five hundred eighty million, six hundred forty-one thousand, six hundred seventy-two".