8721054213 has 8 divisors (see below), whose sum is σ = 12312076608. Its totient is φ = 5472033984.

The previous prime is 8721054211. The next prime is 8721054241. The reversal of 8721054213 is 3124501278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8721054213 - 2¹ = 8721054211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8721054211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85500481 + ... + 85500582.

It is an arithmetic number, because the mean of its divisors is an integer number (1539009576).

Almost surely, 2^8721054213 is an apocalyptic number.

It is an amenable number.

8721054213 is a deficient number, since it is larger than the sum of its proper divisors (3591022395).

8721054213 is a wasteful number, since it uses less digits than its factorization.

8721054213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171001083.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 8721054213 is about 93386.5847592683. The cubic root of 8721054213 is about 2058.3678759296.

The spelling of 8721054213 in words is "eight billion, seven hundred twenty-one million, fifty-four thousand, two hundred thirteen".