5705721980 has 48 divisors (see below), whose sum is σ = 13985104896. Its totient is φ = 1914623040.

The previous prime is 5705721979. The next prime is 5705722007. The reversal of 5705721980 is 891275075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426986 + ... + 440145.

It is an arithmetic number, because the mean of its divisors is an integer number (291356352).

Almost surely, 2^5705721980 is an apocalyptic number.

It is an amenable number.

5705721980 is an abundant number, since it is smaller than the sum of its proper divisors (8279382916).

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

5705721980 is a wasteful number, since it uses less digits than its factorization.

5705721980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867194 (or 867192 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 44.

The square root of 5705721980 is about 75536.2295855439. The cubic root of 5705721980 is about 1786.9135225639.

The spelling of 5705721980 in words is "five billion, seven hundred five million, seven hundred twenty-one thousand, nine hundred eighty".