27782434343 has 2 divisors, whose sum is σ = 27782434344. Its totient is φ = 27782434342.

The previous prime is 27782434327. The next prime is 27782434373. The reversal of 27782434343 is 34343428772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27782434343 - 2⁴ = 27782434327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27782434373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891217171 + 13891217172.

It is an arithmetic number, because the mean of its divisors is an integer number (13891217172).

Almost surely, 2^27782434343 is an apocalyptic number.

27782434343 is a deficient number, since it is larger than the sum of its proper divisors (1).

27782434343 is an equidigital number, since it uses as much as digits as its factorization.

27782434343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 47.

The spelling of 27782434343 in words is "twenty-seven billion, seven hundred eighty-two million, four hundred thirty-four thousand, three hundred forty-three".