2878873 has 2 divisors, whose sum is σ = 2878874. Its totient is φ = 2878872.

The previous prime is 2878867. The next prime is 2878879. The reversal of 2878873 is 3788782.

It is a balanced prime because it is at equal distance from previous prime (2878867) and next prime (2878879).

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 149769 = 1652^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878873 - 2⁹ = 2878361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2878879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439436 + 1439437.

It is an arithmetic number, because the mean of its divisors is an integer number (1439437).

2^2878873 is an apocalyptic number.

It is an amenable number.

2878873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878873 is an equidigital number, since it uses as much as digits as its factorization.

2878873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 43.

The square root of 2878873 is about 1696.7241967981. The cubic root of 2878873 is about 142.2571713382.

Subtracting 2878873 from its reverse (3788782), we obtain a palindrome (909909).

The spelling of 2878873 in words is "two million, eight hundred seventy-eight thousand, eight hundred seventy-three".