2778875375 has 16 divisors (see below), whose sum is σ = 3477246240. Its totient is φ = 2217196800.

The previous prime is 2778875353. The next prime is 2778875399. The reversal of 2778875375 is 5735788772.

It is not a de Polignac number, because 2778875375 - 2¹⁴ = 2778858991 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18047 + ... + 76703.

It is an arithmetic number, because the mean of its divisors is an integer number (217327890).

Almost surely, 2^2778875375 is an apocalyptic number.

2778875375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2778875375 is a deficient number, since it is larger than the sum of its proper divisors (698370865).

2778875375 is an equidigital number, since it uses as much as digits as its factorization.

2778875375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59051 (or 59041 counting only the distinct ones).

The product of its digits is 23049600, while the sum is 59.

The square root of 2778875375 is about 52715.0393625956. The cubic root of 2778875375 is about 1405.9062343253.

The spelling of 2778875375 in words is "two billion, seven hundred seventy-eight million, eight hundred seventy-five thousand, three hundred seventy-five".