2778035879 has 2 divisors, whose sum is σ = 2778035880. Its totient is φ = 2778035878.

The previous prime is 2778035867. The next prime is 2778035881. The reversal of 2778035879 is 9785308772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2778035879 - 2¹⁶ = 2777970343 is a prime.

It is a super-2 number, since 2×2778035879² = 15434966690022605282, which contains 22 as substring.

Together with 2778035881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2778035839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389017939 + 1389017940.

It is an arithmetic number, because the mean of its divisors is an integer number (1389017940).

Almost surely, 2^2778035879 is an apocalyptic number.

2778035879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2778035879 is an equidigital number, since it uses as much as digits as its factorization.

2778035879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The square root of 2778035879 is about 52707.0761757850. The cubic root of 2778035879 is about 1405.7646456882.

The spelling of 2778035879 in words is "two billion, seven hundred seventy-eight million, thirty-five thousand, eight hundred seventy-nine".