8721232002 has 48 divisors (see below), whose sum is σ = 22340111040. Its totient is φ = 2405856096.

The previous prime is 8721231997. The next prime is 8721232049. The reversal of 8721232002 is 2002321278.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1189728 + ... + 1197035.

It is an arithmetic number, because the mean of its divisors is an integer number (465418980).

Almost surely, 2^8721232002 is an apocalyptic number.

8721232002 is an abundant number, since it is smaller than the sum of its proper divisors (13618879038).

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

8721232002 is a wasteful number, since it uses less digits than its factorization.

8721232002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386807 (or 2386804 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 8721232002 is about 93387.5366523820. The cubic root of 8721232002 is about 2058.3818632554.

The spelling of 8721232002 in words is "eight billion, seven hundred twenty-one million, two hundred thirty-two thousand, two".