8683799891 has 16 divisors (see below), whose sum is σ = 9923800320. Its totient is φ = 7537332000.

The previous prime is 8683799867. The next prime is 8683799951. The reversal of 8683799891 is 1989973868.

It is a cyclic number.

It is not a de Polignac number, because 8683799891 - 2⁶ = 8683799827 is a prime.

It is a super-2 number, since 2×8683799891² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8683799821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228485 + ... + 263766.

It is an arithmetic number, because the mean of its divisors is an integer number (620237520).

Almost surely, 2^8683799891 is an apocalyptic number.

8683799891 is a deficient number, since it is larger than the sum of its proper divisors (1240000429).

8683799891 is a wasteful number, since it uses less digits than its factorization.

8683799891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492346.

The product of its digits is 47029248, while the sum is 68.

The square root of 8683799891 is about 93186.9083670019. The cubic root of 8683799891 is about 2055.4327357333.

The spelling of 8683799891 in words is "eight billion, six hundred eighty-three million, seven hundred ninety-nine thousand, eight hundred ninety-one".