4878505 has 4 divisors (see below), whose sum is σ = 5854212. Its totient is φ = 3902800.

The previous prime is 4878499. The next prime is 4878509. The reversal of 4878505 is 5058784.

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 3594816 + 1283689 = 1896^2 + 1133^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4878505 is a prime.

It is a super-2 number, since 2×4878505² = 47599622070050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4878509) 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, 487846 + ... + 487855.

It is an arithmetic number, because the mean of its divisors is an integer number (1463553).

Almost surely, 2^4878505 is an apocalyptic number.

It is an amenable number.

4878505 is a deficient number, since it is larger than the sum of its proper divisors (975707).

4878505 is an equidigital number, since it uses as much as digits as its factorization.

4878505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975706.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 4878505 is about 2208.7338001670. The cubic root of 4878505 is about 169.6011989836.

The spelling of 4878505 in words is "four million, eight hundred seventy-eight thousand, five hundred five".