2080708721 has 16 divisors (see below), whose sum is σ = 2567002368. Its totient is φ = 1642334400.

The previous prime is 2080708717. The next prime is 2080708723. The reversal of 2080708721 is 1278070802.

It is not a de Polignac number, because 2080708721 - 2² = 2080708717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2080708723) by changing a digit.

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, 11156 + ... + 65466.

It is an arithmetic number, because the mean of its divisors is an integer number (160437648).

Almost surely, 2^2080708721 is an apocalyptic number.

It is an amenable number.

2080708721 is a deficient number, since it is larger than the sum of its proper divisors (486293647).

2080708721 is a wasteful number, since it uses less digits than its factorization.

2080708721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54752.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 2080708721 is about 45614.7862101753. The cubic root of 2080708721 is about 1276.6458245531.

The spelling of 2080708721 in words is "two billion, eighty million, seven hundred eight thousand, seven hundred twenty-one".