8744671873 has 4 divisors (see below), whose sum is σ = 9993910720. Its totient is φ = 7495433028.

The previous prime is 8744671847. The next prime is 8744671931. The reversal of 8744671873 is 3781764478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8744671873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8744671813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624619413 + ... + 624619426.

It is an arithmetic number, because the mean of its divisors is an integer number (2498477680).

Almost surely, 2^8744671873 is an apocalyptic number.

It is an amenable number.

8744671873 is a deficient number, since it is larger than the sum of its proper divisors (1249238847).

8744671873 is a wasteful number, since it uses less digits than its factorization.

8744671873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249238846.

The product of its digits is 6322176, while the sum is 55.

The square root of 8744671873 is about 93512.9502956676. The cubic root of 8744671873 is about 2060.2243034264.

The spelling of 8744671873 in words is "eight billion, seven hundred forty-four million, six hundred seventy-one thousand, eight hundred seventy-three".