5721767980 has 24 divisors (see below), whose sum is σ = 12051381888. Its totient is φ = 2281913088.

The previous prime is 5721767971. The next prime is 5721767999. The reversal of 5721767980 is 897671275.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417724 + ... + 431203.

It is an arithmetic number, because the mean of its divisors is an integer number (502140912).

Almost surely, 2^5721767980 is an apocalyptic number.

It is an amenable number.

5721767980 is an abundant number, since it is smaller than the sum of its proper divisors (6329613908).

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

5721767980 is a wasteful number, since it uses less digits than its factorization.

5721767980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849273 (or 849271 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 52.

The square root of 5721767980 is about 75642.3689475680. The cubic root of 5721767980 is about 1788.5870459664.

The spelling of 5721767980 in words is "five billion, seven hundred twenty-one million, seven hundred sixty-seven thousand, nine hundred eighty".