2878048319 has 4 divisors (see below), whose sum is σ = 2878160280. Its totient is φ = 2877936360.

The previous prime is 2878048309. The next prime is 2878048321. The reversal of 2878048319 is 9138408782.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9138408782 = 2 ⋅4569204391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2878048319 is a prime.

It is a super-2 number, since 2×2878048319² = 16566324252997451522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878048309) 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, 4004 + ... + 75974.

It is an arithmetic number, because the mean of its divisors is an integer number (719540070).

Almost surely, 2^2878048319 is an apocalyptic number.

2878048319 is a deficient number, since it is larger than the sum of its proper divisors (111961).

2878048319 is an equidigital number, since it uses as much as digits as its factorization.

2878048319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111960.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 2878048319 is about 53647.4446642149. Note that the first 3 decimals coincide. The cubic root of 2878048319 is about 1422.4358639360.

The spelling of 2878048319 in words is "two billion, eight hundred seventy-eight million, forty-eight thousand, three hundred nineteen".