2799216784 has 80 divisors (see below), whose sum is σ = 6709292800. Its totient is φ = 1101703680.

The previous prime is 2799216757. The next prime is 2799216799. The reversal of 2799216784 is 4876129972.

It is a super-2 number, since 2×2799216784² = 15671229207654605312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284914 + ... + 294574.

It is an arithmetic number, because the mean of its divisors is an integer number (83866160).

Almost surely, 2^2799216784 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 2799216784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3354646400).

2799216784 is an abundant number, since it is smaller than the sum of its proper divisors (3910076016).

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

2799216784 is a wasteful number, since it uses less digits than its factorization.

2799216784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9888 (or 9882 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 2799216784 is about 52907.6250081215. The cubic root of 2799216784 is about 1409.3283161309.

The spelling of 2799216784 in words is "two billion, seven hundred ninety-nine million, two hundred sixteen thousand, seven hundred eighty-four".