5720491887 has 64 divisors (see below), whose sum is σ = 8622028800. Its totient is φ = 3344681600.

The previous prime is 5720491883. The next prime is 5720491949. The reversal of 5720491887 is 7881940275.

It is a cyclic number.

It is not a de Polignac number, because 5720491887 - 2² = 5720491883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720491883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38392489 + ... + 38392637.

It is an arithmetic number, because the mean of its divisors is an integer number (134719200).

Almost surely, 2^5720491887 is an apocalyptic number.

5720491887 is a deficient number, since it is larger than the sum of its proper divisors (2901536913).

5720491887 is a wasteful number, since it uses less digits than its factorization.

5720491887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The square root of 5720491887 is about 75633.9334359915. The cubic root of 5720491887 is about 1788.4540699868.

The spelling of 5720491887 in words is "five billion, seven hundred twenty million, four hundred ninety-one thousand, eight hundred eighty-seven".