2878348265 has 16 divisors (see below), whose sum is σ = 3725951376. Its totient is φ = 2121984000.

The previous prime is 2878348261. The next prime is 2878348279. The reversal of 2878348265 is 5628438782.

2878348265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 271326784 + 2607021481 = 16472^2 + 51059^2 .

It is not a de Polignac number, because 2878348265 - 2² = 2878348261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2878348261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2225 + ... + 75905.

It is an arithmetic number, because the mean of its divisors is an integer number (232871961).

Almost surely, 2^2878348265 is an apocalyptic number.

It is an amenable number.

2878348265 is a deficient number, since it is larger than the sum of its proper divisors (847603111).

2878348265 is a wasteful number, since it uses less digits than its factorization.

2878348265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74300.

The product of its digits is 5160960, while the sum is 53.

The square root of 2878348265 is about 53650.2401206183. The cubic root of 2878348265 is about 1422.4852769502.

The spelling of 2878348265 in words is "two billion, eight hundred seventy-eight million, three hundred forty-eight thousand, two hundred sixty-five".