8723721795 has 16 divisors (see below), whose sum is σ = 14018912160. Its totient is φ = 4632332544.

The previous prime is 8723721781. The next prime is 8723721827. The reversal of 8723721795 is 5971273278.

It is not a de Polignac number, because 8723721795 - 2¹⁹ = 8723197507 is a prime.

It is a super-2 number, since 2×8723721795² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266394 + ... + 1273263.

It is an arithmetic number, because the mean of its divisors is an integer number (876182010).

Almost surely, 2^8723721795 is an apocalyptic number.

8723721795 is a deficient number, since it is larger than the sum of its proper divisors (5295190365).

8723721795 is a wasteful number, since it uses less digits than its factorization.

8723721795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539894.

The product of its digits is 1481760, while the sum is 51.

The square root of 8723721795 is about 93400.8661362409. The cubic root of 8723721795 is about 2058.5777246173.

The spelling of 8723721795 in words is "eight billion, seven hundred twenty-three million, seven hundred twenty-one thousand, seven hundred ninety-five".