8714509721 has 8 divisors (see below), whose sum is σ = 9106244160. Its totient is φ = 8323845552.

The previous prime is 8714509709. The next prime is 8714509763. The reversal of 8714509721 is 1279054178.

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

It is a cyclic number.

It is not a de Polignac number, because 8714509721 - 2¹⁰ = 8714508697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8714509021) 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, 250895 + ... + 283508.

It is an arithmetic number, because the mean of its divisors is an integer number (1138280520).

Almost surely, 2^8714509721 is an apocalyptic number.

It is an amenable number.

8714509721 is a deficient number, since it is larger than the sum of its proper divisors (391734439).

8714509721 is a wasteful number, since it uses less digits than its factorization.

8714509721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535135.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 8714509721 is about 93351.5383965363. The cubic root of 8714509721 is about 2057.8528639130.

The spelling of 8714509721 in words is "eight billion, seven hundred fourteen million, five hundred nine thousand, seven hundred twenty-one".