2777916668339 has 2 divisors, whose sum is σ = 2777916668340. Its totient is φ = 2777916668338.

The previous prime is 2777916668273. The next prime is 2777916668369. The reversal of 2777916668339 is 9338666197772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2777916668339 - 2²⁰ = 2777915619763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2777916668369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388958334169 + 1388958334170.

It is an arithmetic number, because the mean of its divisors is an integer number (1388958334170).

Almost surely, 2^{2777916668339} is an apocalyptic number.

2777916668339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2777916668339 is an equidigital number, since it uses as much as digits as its factorization.

2777916668339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864162432, while the sum is 74.

The spelling of 2777916668339 in words is "two trillion, seven hundred seventy-seven billion, nine hundred sixteen million, six hundred sixty-eight thousand, three hundred thirty-nine".