2878371425 has 6 divisors (see below), whose sum is σ = 3569180598. Its totient is φ = 2302697120.

The previous prime is 2878371403. The next prime is 2878371443. The reversal of 2878371425 is 5241738782.

It can be written as a sum of positive squares in 3 ways, for example, as 116553616 + 2761817809 = 10796^2 + 52553^2 .

It is not a de Polignac number, because 2878371425 - 2¹⁶ = 2878305889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2878371425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57567404 + ... + 57567453.

It is an arithmetic number, because the mean of its divisors is an integer number (594863433).

Almost surely, 2^2878371425 is an apocalyptic number.

2878371425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2878371425 is a deficient number, since it is larger than the sum of its proper divisors (690809173).

2878371425 is a wasteful number, since it uses less digits than its factorization.

2878371425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115134867 (or 115134862 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 2878371425 is about 53650.4559626477. The cubic root of 2878371425 is about 1422.4890921789.

The spelling of 2878371425 in words is "two billion, eight hundred seventy-eight million, three hundred seventy-one thousand, four hundred twenty-five".