8721769495 has 4 divisors (see below), whose sum is σ = 10466123400. Its totient is φ = 6977415592.

The previous prime is 8721769489. The next prime is 8721769499. The reversal of 8721769495 is 5949671278.

8721769495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8721769495 - 2²⁹ = 8184898583 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8721769499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872176945 + ... + 872176954.

It is an arithmetic number, because the mean of its divisors is an integer number (2616530850).

Almost surely, 2^8721769495 is an apocalyptic number.

8721769495 is a deficient number, since it is larger than the sum of its proper divisors (1744353905).

8721769495 is a wasteful number, since it uses less digits than its factorization.

8721769495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744353904.

The product of its digits is 7620480, while the sum is 58.

The square root of 8721769495 is about 93390.4143635737. The cubic root of 8721769495 is about 2058.4241486846.

The spelling of 8721769495 in words is "eight billion, seven hundred twenty-one million, seven hundred sixty-nine thousand, four hundred ninety-five".