2079947776 has 88 divisors (see below), whose sum is σ = 4433310720. Its totient is φ = 973074432.

The previous prime is 2079947761. The next prime is 2079947873. The reversal of 2079947776 is 6777499702.

It is a self number, because there is not a number n which added to its sum of digits gives 2079947776.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106005 + ... + 1107883.

Almost surely, 2^2079947776 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 2079947776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216655360).

2079947776 is an abundant number, since it is smaller than the sum of its proper divisors (2353362944).

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

2079947776 is a wasteful number, since it uses less digits than its factorization.

2079947776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1951 counting only the distinct ones).

The product of its (nonzero) digits is 9335088, while the sum is 58.

The square root of 2079947776 is about 45606.4444568967. Note that the first 4 decimals coincide. The cubic root of 2079947776 is about 1276.4901763523.

The spelling of 2079947776 in words is "two billion, seventy-nine million, nine hundred forty-seven thousand, seven hundred seventy-six".