2779889679103 has 2 divisors, whose sum is σ = 2779889679104. Its totient is φ = 2779889679102.

The previous prime is 2779889679101. The next prime is 2779889679107. The reversal of 2779889679103 is 3019769889772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2779889679103 - 2¹ = 2779889679101 is a prime.

Together with 2779889679101, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2779889679103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2779889679101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389944839551 + 1389944839552.

It is an arithmetic number, because the mean of its divisors is an integer number (1389944839552).

Almost surely, 2^{2779889679103} is an apocalyptic number.

2779889679103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2779889679103 is an equidigital number, since it uses as much as digits as its factorization.

2779889679103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576108288, while the sum is 76.

The spelling of 2779889679103 in words is "two trillion, seven hundred seventy-nine billion, eight hundred eighty-nine million, six hundred seventy-nine thousand, one hundred three".