8199211338 has 32 divisors (see below), whose sum is σ = 18230253120. Its totient is φ = 2731602960.

The previous prime is 8199211331. The next prime is 8199211343. The reversal of 8199211338 is 8331129918.

It is a junction number, because it is equal to n+sod(n) for n = 8199211293 and 8199211302.

It is not an unprimeable number, because it can be changed into a prime (8199211331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63168 + ... + 142788.

It is an arithmetic number, because the mean of its divisors is an integer number (569695410).

Almost surely, 2^8199211338 is an apocalyptic number.

8199211338 is an abundant number, since it is smaller than the sum of its proper divisors (10031041782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8199211338 is a wasteful number, since it uses less digits than its factorization.

8199211338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81539 (or 81533 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 8199211338 is about 90549.4966192524. The cubic root of 8199211338 is about 2016.4650243516.

The spelling of 8199211338 in words is "eight billion, one hundred ninety-nine million, two hundred eleven thousand, three hundred thirty-eight".