2791886412 has 96 divisors (see below), whose sum is σ = 7735275520. Its totient is φ = 766920960.

The previous prime is 2791886389. The next prime is 2791886417. The reversal of 2791886412 is 2146881972.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2791886417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405414 + ... + 412242.

Almost surely, 2^2791886412 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 2791886412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3867637760).

2791886412 is an abundant number, since it is smaller than the sum of its proper divisors (4943389108).

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

2791886412 is a wasteful number, since it uses less digits than its factorization.

2791886412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031 (or 7029 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 2791886412 is about 52838.3044012580. The cubic root of 2791886412 is about 1408.0970274421.

The spelling of 2791886412 in words is "two billion, seven hundred ninety-one million, eight hundred eighty-six thousand, four hundred twelve".