2777776942798 has 192 divisors, whose sum is σ = 5359546241280. Its totient is φ = 1068269368320.

The previous prime is 2777776942793. The next prime is 2777776942861. The reversal of 2777776942798 is 8972496777772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2777776942793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 871594561 + ... + 871597747.

It is an arithmetic number, because the mean of its divisors is an integer number (27914303340).

Almost surely, 2^{2777776942798} is an apocalyptic number.

2777776942798 is a deficient number, since it is larger than the sum of its proper divisors (2581769298482).

2777776942798 is a wasteful number, since it uses less digits than its factorization.

2777776942798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663 (or 3652 counting only the distinct ones).

The product of its digits is 7318708992, while the sum is 82.

The spelling of 2777776942798 in words is "two trillion, seven hundred seventy-seven billion, seven hundred seventy-six million, nine hundred forty-two thousand, seven hundred ninety-eight".