5787665 has 8 divisors (see below), whose sum is σ = 7479528. Its totient is φ = 4273920.

The previous prime is 5787637. The next prime is 5787703. The reversal of 5787665 is 5667875.

5787665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 222784 + 5564881 = 472^2 + 2359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5787665 - 2⁸ = 5787409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44456 + ... + 44585.

It is an arithmetic number, because the mean of its divisors is an integer number (934941).

Almost surely, 2^5787665 is an apocalyptic number.

It is an amenable number.

5787665 is a deficient number, since it is larger than the sum of its proper divisors (1691863).

5787665 is a wasteful number, since it uses less digits than its factorization.

5787665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89059.

The product of its digits is 352800, while the sum is 44.

The square root of 5787665 is about 2405.7566377338. The cubic root of 5787665 is about 179.5427178794.

The spelling of 5787665 in words is "five million, seven hundred eighty-seven thousand, six hundred sixty-five".