5787937721 has 4 divisors (see below), whose sum is σ = 5813435472. Its totient is φ = 5762439972.

The previous prime is 5787937709. The next prime is 5787937723. The reversal of 5787937721 is 1277397875.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5787937721 - 2¹⁸ = 5787675577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5787937723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12748535 + ... + 12748988.

It is an arithmetic number, because the mean of its divisors is an integer number (1453358868).

Almost surely, 2^5787937721 is an apocalyptic number.

It is an amenable number.

5787937721 is a deficient number, since it is larger than the sum of its proper divisors (25497751).

5787937721 is a wasteful number, since it uses less digits than its factorization.

5787937721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25497750.

The product of its digits is 5186160, while the sum is 56.

The square root of 5787937721 is about 76078.4971000348. The cubic root of 5787937721 is about 1795.4553791707.

The spelling of 5787937721 in words is "five billion, seven hundred eighty-seven million, nine hundred thirty-seven thousand, seven hundred twenty-one".