5787855 has 40 divisors (see below), whose sum is σ = 10733184. Its totient is φ = 2980800.

The previous prime is 5787851. The next prime is 5787869. The reversal of 5787855 is 5587875.

It is a happy number.

5787855 is a `hidden beast` number, since 578 + 78 + 5 + 5 = 666.

It is not a de Polignac number, because 5787855 - 2² = 5787851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (392000) is a multiple of the sum of its prime divisors (500).

It is a self number, because there is not a number n which added to its sum of digits gives 5787855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5787851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12325 + ... + 12785.

Almost surely, 2^5787855 is an apocalyptic number.

5787855 is a deficient number, since it is larger than the sum of its proper divisors (4945329).

5787855 is a wasteful number, since it uses less digits than its factorization.

5787855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 500 counting only the distinct ones).

The product of its digits is 392000, while the sum is 45.

The square root of 5787855 is about 2405.7961260256. The cubic root of 5787855 is about 179.5446825602.

The spelling of 5787855 in words is "five million, seven hundred eighty-seven thousand, eight hundred fifty-five".