4287775405 has 4 divisors (see below), whose sum is σ = 5145330492. Its totient is φ = 3430220320.

The previous prime is 4287775403. The next prime is 4287775421. The reversal of 4287775405 is 5045777824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1162741801 + 3125033604 = 34099^2 + 55902^2 .

It is not a de Polignac number, because 4287775405 - 2¹ = 4287775403 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287775403) 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, 428777536 + ... + 428777545.

It is an arithmetic number, because the mean of its divisors is an integer number (1286332623).

Almost surely, 2^4287775405 is an apocalyptic number.

It is an amenable number.

4287775405 is a deficient number, since it is larger than the sum of its proper divisors (857555087).

4287775405 is an equidigital number, since it uses as much as digits as its factorization.

4287775405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857555086.

The product of its (nonzero) digits is 2195200, while the sum is 49.

The square root of 4287775405 is about 65481.1072371260. The cubic root of 4287775405 is about 1624.5908751496.

The spelling of 4287775405 in words is "four billion, two hundred eighty-seven million, seven hundred seventy-five thousand, four hundred five".