8721411226 has 16 divisors (see below), whose sum is σ = 14731769088. Its totient is φ = 3836397600.

The previous prime is 8721411199. The next prime is 8721411241. The reversal of 8721411226 is 6221141278.

It is a junction number, because it is equal to n+sod(n) for n = 8721411191 and 8721411200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6393315 + ... + 6394678.

It is an arithmetic number, because the mean of its divisors is an integer number (920735568).

Almost surely, 2^8721411226 is an apocalyptic number.

8721411226 is a deficient number, since it is larger than the sum of its proper divisors (6010357862).

8721411226 is a wasteful number, since it uses less digits than its factorization.

8721411226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12788037.

The product of its digits is 10752, while the sum is 34.

The square root of 8721411226 is about 93388.4962187528. The cubic root of 8721411226 is about 2058.3959632856.

The spelling of 8721411226 in words is "eight billion, seven hundred twenty-one million, four hundred eleven thousand, two hundred twenty-six".