2778055003 has 2 divisors, whose sum is σ = 2778055004. Its totient is φ = 2778055002.

The previous prime is 2778055001. The next prime is 2778055013. The reversal of 2778055003 is 3005508772.

2778055003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2778055003 - 2¹ = 2778055001 is a prime.

Together with 2778055001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2778055001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389027501 + 1389027502.

It is an arithmetic number, because the mean of its divisors is an integer number (1389027502).

Almost surely, 2^2778055003 is an apocalyptic number.

2778055003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2778055003 is an equidigital number, since it uses as much as digits as its factorization.

2778055003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 2778055003 is about 52707.2575932385. The cubic root of 2778055003 is about 1405.7678714422.

The spelling of 2778055003 in words is "two billion, seven hundred seventy-eight million, fifty-five thousand, three".