2780280080833 has 2 divisors, whose sum is σ = 2780280080834. Its totient is φ = 2780280080832.

The previous prime is 2780280080813. The next prime is 2780280080867. The reversal of 2780280080833 is 3380800820872.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2333002691889 + 447277388944 = 1527417^2 + 668788^2 .

It is a cyclic number.

It is not a de Polignac number, because 2780280080833 - 2⁵ = 2780280080801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2780280080813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390140040416 + 1390140040417.

It is an arithmetic number, because the mean of its divisors is an integer number (1390140040417).

Almost surely, 2^{2780280080833} is an apocalyptic number.

It is an amenable number.

2780280080833 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780280080833 is an equidigital number, since it uses as much as digits as its factorization.

2780280080833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 2780280080833 in words is "two trillion, seven hundred eighty billion, two hundred eighty million, eighty thousand, eight hundred thirty-three".