8199977411 has 4 divisors (see below), whose sum is σ = 8556498192. Its totient is φ = 7843456632.

The previous prime is 8199977371. The next prime is 8199977413. The reversal of 8199977411 is 1147799918.

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 8199977411 - 2¹⁰ = 8199976387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8199977413) 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, 178260356 + ... + 178260401.

It is an arithmetic number, because the mean of its divisors is an integer number (2139124548).

Almost surely, 2^8199977411 is an apocalyptic number.

8199977411 is a deficient number, since it is larger than the sum of its proper divisors (356520781).

8199977411 is a wasteful number, since it uses less digits than its factorization.

8199977411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356520780.

The product of its digits is 1143072, while the sum is 56.

The square root of 8199977411 is about 90553.7266544011. The cubic root of 8199977411 is about 2016.5278235339.

The spelling of 8199977411 in words is "eight billion, one hundred ninety-nine million, nine hundred seventy-seven thousand, four hundred eleven".