8192821902 has 16 divisors (see below), whose sum is σ = 16404211200. Its totient is φ = 2727846072.

The previous prime is 8192821877. The next prime is 8192821909. The reversal of 8192821902 is 2091282918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8192821909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767902 + ... + 778497.

It is an arithmetic number, because the mean of its divisors is an integer number (1025263200).

Almost surely, 2^8192821902 is an apocalyptic number.

8192821902 is an abundant number, since it is smaller than the sum of its proper divisors (8211389298).

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

8192821902 is a wasteful number, since it uses less digits than its factorization.

8192821902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547287.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 8192821902 is about 90514.2082879810. The cubic root of 8192821902 is about 2015.9410950011.

The spelling of 8192821902 in words is "eight billion, one hundred ninety-two million, eight hundred twenty-one thousand, nine hundred two".