2117282796 has 72 divisors (see below), whose sum is σ = 5507493264. Its totient is φ = 685526400.

The previous prime is 2117282777. The next prime is 2117282801. The reversal of 2117282796 is 6972827112.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187215 + ... + 198201.

It is an arithmetic number, because the mean of its divisors is an integer number (76492962).

Almost surely, 2^2117282796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117282796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2753746632).

2117282796 is an abundant number, since it is smaller than the sum of its proper divisors (3390210468).

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

2117282796 is a wasteful number, since it uses less digits than its factorization.

2117282796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11151 (or 11146 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 2117282796 is about 46013.9413221689. The cubic root of 2117282796 is about 1284.0825855985.

The spelling of 2117282796 in words is "two billion, one hundred seventeen million, two hundred eighty-two thousand, seven hundred ninety-six".