2878028227 has 4 divisors (see below), whose sum is σ = 2944959160. Its totient is φ = 2811097296.

The previous prime is 2878028177. The next prime is 2878028233. The reversal of 2878028227 is 7228208782.

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

It is a cyclic number.

It is not a de Polignac number, because 2878028227 - 2⁷ = 2878028099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2878028267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33465402 + ... + 33465487.

It is an arithmetic number, because the mean of its divisors is an integer number (736239790).

Almost surely, 2^2878028227 is an apocalyptic number.

2878028227 is a deficient number, since it is larger than the sum of its proper divisors (66930933).

2878028227 is an equidigital number, since it uses as much as digits as its factorization.

2878028227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66930932.

The product of its (nonzero) digits is 401408, while the sum is 46.

The square root of 2878028227 is about 53647.2574042700. The cubic root of 2878028227 is about 1422.4325538633.

The spelling of 2878028227 in words is "two billion, eight hundred seventy-eight million, twenty-eight thousand, two hundred twenty-seven".