2777775279553 has 2 divisors, whose sum is σ = 2777775279554. Its totient is φ = 2777775279552.

The previous prime is 2777775279551. The next prime is 2777775279667. The reversal of 2777775279553 is 3559725777772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1963563217984 + 814212061569 = 1401272^2 + 902337^2 .

It is a cyclic number.

It is not a de Polignac number, because 2777775279553 - 2¹ = 2777775279551 is a prime.

Together with 2777775279551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2777775279551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388887639776 + 1388887639777.

It is an arithmetic number, because the mean of its divisors is an integer number (1388887639777).

Almost surely, 2^{2777775279553} is an apocalyptic number.

It is an amenable number.

2777775279553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2777775279553 is an equidigital number, since it uses as much as digits as its factorization.

2777775279553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1588261500, while the sum is 73.

The spelling of 2777775279553 in words is "two trillion, seven hundred seventy-seven billion, seven hundred seventy-five million, two hundred seventy-nine thousand, five hundred fifty-three".