2778052802775 has 24 divisors (see below), whose sum is σ = 4670895567360. Its totient is φ = 1456515817440.

The previous prime is 2778052802761. The next prime is 2778052802779. The reversal of 2778052802775 is 5772082508772.

It is a happy number.

It is not a de Polignac number, because 2778052802775 - 2⁵ = 2778052802743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778052802779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313899847 + ... + 313908696.

It is an arithmetic number, because the mean of its divisors is an integer number (194620648640).

Almost surely, 2^{2778052802775} is an apocalyptic number.

2778052802775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2778052802775 is a deficient number, since it is larger than the sum of its proper divisors (1892842764585).

2778052802775 is a wasteful number, since it uses less digits than its factorization.

2778052802775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627808615 (or 627808610 counting only the distinct ones).

The product of its (nonzero) digits is 30732800, while the sum is 60.

The spelling of 2778052802775 in words is "two trillion, seven hundred seventy-eight billion, fifty-two million, eight hundred two thousand, seven hundred seventy-five".