8718852869 has 4 divisors (see below), whose sum is σ = 8762666400. Its totient is φ = 8675039340.

The previous prime is 8718852851. The next prime is 8718852881. The reversal of 8718852869 is 9682588178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8718852869 - 2¹² = 8718848773 is a prime.

It is a super-2 number, since 2×8718852869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8718852809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21906467 + ... + 21906864.

It is an arithmetic number, because the mean of its divisors is an integer number (2190666600).

Almost surely, 2^8718852869 is an apocalyptic number.

It is an amenable number.

8718852869 is a deficient number, since it is larger than the sum of its proper divisors (43813531).

8718852869 is a wasteful number, since it uses less digits than its factorization.

8718852869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43813530.

The product of its digits is 15482880, while the sum is 62.

The square root of 8718852869 is about 93374.7978257517. The cubic root of 8718852869 is about 2058.1946722104.

The spelling of 8718852869 in words is "eight billion, seven hundred eighteen million, eight hundred fifty-two thousand, eight hundred sixty-nine".