2778346195 has 4 divisors (see below), whose sum is σ = 3334015440. Its totient is φ = 2222676952.

The previous prime is 2778346187. The next prime is 2778346211. The reversal of 2778346195 is 5916438772.

2778346195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2778346195 - 2³ = 2778346187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277834615 + ... + 277834624.

It is an arithmetic number, because the mean of its divisors is an integer number (833503860).

Almost surely, 2^2778346195 is an apocalyptic number.

2778346195 is a deficient number, since it is larger than the sum of its proper divisors (555669245).

2778346195 is an equidigital number, since it uses as much as digits as its factorization.

2778346195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555669244.

The product of its digits is 2540160, while the sum is 52.

The square root of 2778346195 is about 52710.0198728856. The cubic root of 2778346195 is about 1405.8169866273.

The spelling of 2778346195 in words is "two billion, seven hundred seventy-eight million, three hundred forty-six thousand, one hundred ninety-five".