2780550103 has 2 divisors, whose sum is σ = 2780550104. Its totient is φ = 2780550102.

The previous prime is 2780550083. The next prime is 2780550121. The reversal of 2780550103 is 3010550872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2780550103 - 2⁹ = 2780549591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2780550163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390275051 + 1390275052.

It is an arithmetic number, because the mean of its divisors is an integer number (1390275052).

Almost surely, 2^2780550103 is an apocalyptic number.

2780550103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780550103 is an equidigital number, since it uses as much as digits as its factorization.

2780550103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 2780550103 is about 52730.9216968564. The cubic root of 2780550103 is about 1406.1886072741.

The spelling of 2780550103 in words is "two billion, seven hundred eighty million, five hundred fifty thousand, one hundred three".